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Sonic Adventure

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Quotation1 The fight is over, harmony is restored, and life goes on. Quotation2
Tikal the Echidna

Not to be confused with the French comic, Sonic Adventures.

Sonic Adventure (ソニックアドベンチャー Sonikku Adobenchā?) is a video game created by Sonic Team and released on December 23, 1998 in Japan by Sega for the Sega Dreamcast and is the first game in the Sonic Adventure series. One of its development titles was Sonic RPG (although the final product was an adventure game, and not a standard RPG). The final updated edition, known as Sonic Adventure International, was released on September 9, 1999 in North America, October 14, 1999 in Japan and Europe, October 18, 1999 in Belgium, the Netherlands, and Luxembourg, and December 3, 1999 in Australia. A director's cut version was released in 2003 as Sonic Adventure DX for the Nintendo GameCube and in 2004 for the PC as 2x PC-CDROM discs. It has sold over 1 million copies in the United States alone, making it the top selling Dreamcast game.[1] It is the first ever Sonic game on a sixth generation console. Its sequel is Sonic Adventure 2. This is the first appearance of Chaos, Big the Cat, E-102 Gamma, Tikal the Echidna and the Chao.


A few millennia ago, the Chaos and Master Emeralds were kept at an altar near the territory of a clan of echidnas (the Knuckles Tribe). A peaceful echidna named Tikal, daughter of Chief Pachacamac, befriended the Chao that lived at the altar and their protector, the water god Chaos. When Pachacamac sought to expand his clan's territory, he wanted to steal the Chaos Emeralds and use their power to defeat his rivals. Although Tikal and the Chao stood against him, he ordered his soldiers to charge anyway, resulting in many Chao being injured. This enraged Chaos, who transformed into a terrifying, giant monster and destroyed all of the echidnas, save for Tikal. Tikal sealed herself away in the Master Emerald with Chaos, and the magic caused the area surrounding the shrine to become Angel Island, the continent in the sky.

In the present day, Doctor Eggman learns of the legend surrounding Chaos. Believing it to be true, he seeks out the Master Emerald and shatters it, freeing Chaos in the process. Eggman's goal is to control Chaos, and use its destructive powers to collect the Chaos Emeralds and conquer the city and turn it into "Robotnik Land." To help him, he has created the E-Series robots. When Sonic the Hedgehog learns of Eggman's plans, he and his friends spring in to action to stop Eggman and they start another journey for the Chaos Emeralds.

Sonic the Hedgehog's Story

SA Sonic vs Chaos

Sonic arrives to face off against Chaos after Station Square's police force retreats.

In Station Square, Sonic witnesses a stand-off between human police forces (possibly G.U.N.) and Chaos, a water monster. The police retreat, except for one officer, who stands there with his pistol. Sonic battles Chaos. Sonic defeats Chaos, but it escapes through a drain before the hedgehog gets answers.

The next day, Tails crashes in a new plane, which he reveals to be powered by a Chaos Emerald. They travel to Tails' workshop, where Eggman shows up in the Egg Hornet. (It is here that Sonic officially gives him the nickname "Eggman".) He steals the Chaos Emerald and reveals Chaos, the monster Sonic fought earlier. He explains that every time he gives Chaos one of the Chaos Emeralds, its power will be absorbed by Chaos.

Sonic and Tails counter Eggman's plans by getting whatever Chaos Emeralds they can. They collect two (from Windy Valley and Casinopolis), but one is taken by Eggman, so they collect another from the Ice Cap in the Mystic Ruins. However, they run into Knuckles, who believes Sonic has stolen parts of the Master Emerald. As the two fight, Eggman seizes his opportunity. He takes Sonic's remaining two Chaos Emeralds and gives them to Chaos. Sonic and Tails chase Eggman, but Sonic's Tornado is destroyed in the process. Sonic lands in Station Square, where he runs into Amy, who asks that he help her protect "Birdie".

However, Amy is kidnapped by ZERO, and Sonic chases. She is taken to the Egg Carrier, and Sonic chases on foot. Tails shows up with a remastered Tornado, powered by a Chaos Emerald. They give chase, land on the Egg Carrier and go through it in its transformed state, Sky Deck. They find Eggman, but he leaves once he has taken the Chaos Emerald from the bird. Amy prevents Sonic from destroying E-102. Sonic tells Tails to take Amy to safety while he chases Eggman.


Sonic in Emerald Coast.

He finds Eggman, who has given Chaos two more emeralds for a total of six. They fight, and Sonic almost defeats Chaos when Eggman leaves. Sonic leaves Chaos at Knuckles' mercy, and follows Eggman through the jungles of the Mystic Ruins. While exploring a ruin (Lost World), he's taken back in time, to a point in time when Tikal and the shrine are under attack. Before he can learn anything, he is returned to the present. He follows Eggman into his main base, Final Egg, and they have one last fight. After defeating him, Sonic and Tails take another break. Sonic saved the day once again.

Miles "Tails" Prower's Story

Miles "Tails" Prower flies in a new plane until it suddenly crashes by the beach in Station Square. After Sonic rescues him, Tails reveals that the plane was powered by a Chaos Emerald and the two plan to meet in the workshop in the Mystic Ruins to design a new plane with that Chaos Emerald. Here, they are met by Eggman in the Egg Hornet. After it is destroyed, Eggman steals the Chaos Emerald and feeds it to Chaos, who just arrives.

Tails and Sonic head to the Windy Valley and Casinopolis to collect 2 Emeralds; one of them is taken by Eggman. They head to the Mystic Ruins to collect another Emerald. Upon leaving Ice Cap, they encounter Knuckles. Due to a misunderstanding, Tails and Knuckles fight. Eggman, taking advantage of the situation, snatches away the Emeralds, giving them to Chaos. After a battle with Chaos 4, Eggman escapes in his Egg Carrier. Tails and Sonic give chase in the Tornado, but the Tornado got shot down in the process. Tails lands in Mystic Ruins, only to find out that Sonic is missing and the train workers are on strike (cutting off access to Station Square). After a flashback about the "good old days", Tails decides to do without Sonic and ventures into the jungle in search for a Chaos Emerald to rebuild the Tornado. Here, Tails run into Big's friend, Froggy (with Chaos' tail), which swallows an Emerald. After giving chase through the Sand Hill, Tails catches up with Froggy, but is taken back in time and meets Tikal. When returned to the present, Big accidentally gives Tails a shock, causing the latter to lose grip of Froggy.

Next, the Tornado 2 is built. During the flight, Tails meets up with Sonic at the peak of Red Mountain and gives chase to the Egg Carrier. Despite stormy weather, the two managed to evade much of the Egg Carrier's attacks. Upon landing, Eggman immediately activates the transformed state that deactivates the monorails. Thus, Sonic and Tails go through the Sky Deck. They find Eggman, Amy and E-102. Sonic tells Tails to take Amy to safety while he goes after Eggman. Next, the Egg Carrier collapses, and Tails and Amy make it safely to Station Square. Amy bids goodbye to Tails, soon after Eggman (having been defeated by Sonic) crashes nearby the train station. Undaunted, Eggman launches a missile as a last ditch attempt but it turns out to be a dud. Angered, Eggman blasts the doors of a skyscraper and threatens to detonate the missile. Tails, realizing that the fate of the city is in his hands, gives chase. After a long endurance race through the night, Tails reaches the missile first and deactivates it. Frustrated at his failure, Eggman unleashes an Egg Mobile - the Egg Walker, and prepares to annihilate Station Square. All of the citizens run for shelter, leaving Tails - without Sonic's help, to fight with Eggman. In the end, Tails wins and the citizens cheer. While heading back to the workshop in Mystic Ruins, Tails meets up with Sonic and they have a little R & R!

Knuckles the Echidna's Story

SA Emerald Alter 2

Knuckles faces off against Chaos after it emerges from the broken Master Emerald.

As Knuckles the Echidna rests beside the Master Emerald thinking over the story of his life, he wakes up to find Chaos next to the shattered Master Emerald. Unaware that this is Eggman's doing, Knuckles assumes that Chaos is behind the shattering of the Emerald and goes on to attack it. However, the beast blindsides him and escapes, and suddenly Angel Island falls into the sea next to the Mystic Ruins. Knuckles arrives in Station Square to find the pieces of the Master Emerald. He finds a few pieces in Speed Highway and Casinopolis, but then spots Eggman heading into an elevator in the hotel. He notices the shine in Eggman's hand and believes it to be a piece of the Master Emerald so he follows Eggman. Knuckles then gets into a fight with Chaos 2, and after winning the battle, Eggman tells Knuckles that Sonic is after the emerald pieces. This gets to Knuckles, wondering why the blue blur would want them. He then heads into the jungle (where a power-up is found). Knuckles heads to Red Mountain and finds 3 more shards. A few minutes later, Knuckles finds Sonic and the two duke it out. But it was all a trick from Eggman so he could nab the two emeralds they had. He gives them to Chaos, causing him to transform into Chaos 4. Knuckles does eventually defeat him; Sonic and Tails go after Eggman, and Knuckles goes solo to find the rest of the pieces.

A moment later, Knuckles finds the keys to an abandoned Ziggurat called "The Lost World", and finds 3 more shards, and is sent back to the past. He meets Tikal again, and is sent to his time... right in front of the altar. 85% of the Master Emerald is restored. The last 3 shards are on Eggman's fortification, the Egg Carrier, but Knuckles has no idea where the fortress is. As he walks across the bridge, he spots Gamma heading to the jungle. He decides to follow the rogue to the jungle and into the fortress, which takes off. Soon, he eventually finds the last shards, but ends up getting sent to the past, this time with the alter under a thick flame. He walks over to Tikal and attempts to find out what's going on, but fails when Tikal rushes to the Emerald, causing him to get sent to his time. He spots Eggman and Chaos and rushes towards them. Eggman retreats, with Sonic on his heels. This leaves Chaos, who has devoured 6 of the Chaos Emeralds, at Knuckles' merciless spines. After a long battle, Chaos relinquishes the Chaos Emeralds and retreats, with Knuckles saying "Yeah, you're finished!!" The Egg Carrier loses its balance and self-destructs, but Knuckles flies back to Angel Island to prevent himself from getting burned.

Back at the Island, Knuckles restores the Master Emerald to its normal state, allowing the giant gem to hoist Angel Island to the heavens. Knuckles is once again at peace. The Master Emerald is repaired for the first time.

Amy's Story

Amy Rose is taking a stroll in Station Square, reminiscing about the good old days when suddenly the city is shadowed by the Egg Carrier and a bird falls down from the sky. The bird was held captive, along with its family. Amy befriends the bird,who she nicknames "Birdie", and promises she'll help it get home with its family. After a stroll through the town, she runs into Sonic and asks him to guard the bird, though Sonic strongly declines. She follows him to the entrance of Twinkle Park. Unfortunately, ZERO appears and before Sonic can do battle with it, Amy notices a sign that apparently says "Cute Couples get in free" and readily enters the park while Sonic follows trying to stop her. After making her way through Twinkle Park while avoiding ZERO, she makes it back to Station Square and finds Sonic gone. Before she can continue with her search, she is captured by ZERO.

Amy is taken to a cell aboard the Egg Carrier where she is guarded by E-102 Gamma. He demands she hand him the bird, but she refuses. She then demands that he tell her why he wants the bird, but he himself does not know. She pleads with Gamma to help them, but he questions why she cares for something she knows nothing about. She says she pities him because love is not a part of his programming. The bird flies out of the jail cell and looks Gamma in the eyes. Gamma then tells them to escape and deactivates the cell. He tells them it is dangerous and that they'll be at the Mystic Ruins base soon. She comes to a room and plays through a game where she gets the Warrior's Feather. While venturing through Hot Shelter, she has another run-in with ZERO. When she grabs a hold of the balloon, she drifts back in time and meets Tikal after finding Chaos' Shrine. She then drifts back into the Egg Carrier. She makes it to the deck and is cornered by Eggman. Fortunately, Sonic and Tails also make it to the deck. Eggman grabs the bird and take the Chaos Emerald around its neck. He calls out Gamma who is ordered to destroy them. After fighting Gamma, Sonic tries to deliver the final blow, but Amy defends the robot, telling Sonic he helped her. The Egg Carrier begins to lose altitude and Amy tells Gamma to be free. Gamma asks why she is helping him, to which she responds that she promised they'd be friends. She then leaves with Tails as the Egg Carrier crashes.

She returns to Station Square and bids farewell to Tails and goes to Mystic Ruins to help the bird find its family. After searching through the jungle she finds the bridge leading to Eggman's base. She goes through Final Egg and once again meets with ZERO, but escapes. After deducing that the bird escaped from the Egg Carrier, she goes back to the now sunken Egg Carrier. The bird finds its family but ZERO knocks out the bird with its telescopic fist. After noticing the perpetrator of the attack, Amy becomes enraged and prepares to fight Zero. After battling and eventually destroying the robotic pursuer, the three birds are reunited and Amy vows to be the best she can be to impress Sonic, and hopefully make him respect her.

Big the Cat's Story

Big the Cat is sleeping on his bed when Froggy, his best friend, awakens and spots Chaos. Froggy bites off Chaos' tail causing him to grow his own tail. Big wakes up and is worried about Froggy, who is driven insane by the possession. Froggy devours a Chaos Emerald (which Big calls his lucky charm) and runs away, with a worried Big following.

When the sun rises, Big finds himself in Station Square, where he sees the crazed Froggy go in the sewers. He hoists a black car (which fans find interesting), and follows Froggy to Twinkle Park. Big manages to fish Froggy out, but the crazed amphibian retreats. Big soon finds a key to Ice Cap, grabs a Life Belt and heads into the icy area. He fished Froggy out, but Froggy, due to insanity, takes off.

Big heads towards the Emerald Coast and finds Froggy on one part of the Great Sea. After fishing him out, Big turns to go home, but Gamma grabs the crazed frog from Big and heads back, with the worried feline pleading behind. Big boards the Egg Carrier, and tries to pick up Froggy's scent, but fails, so he decides to find him in the Hot Shelter. He realizes that to get Froggy out, He must activate the switch. After doing this and fishing Froggy out for the last time, Big turns to exit, but is transported to the past. He encounters Tikal for the first time and returns to his normal time. He gets out of the Attendance room and heads out, but spots Chaos and

Big aboard the Egg Carrier

freezes in horror at the sight of him. Eggman arrives and gives Chaos the emeralds, causing him to enlarge again. Froggy then hops into Chaos's body, restoring the beast's tail. Sonic arrives and realizes Chaos's gotten bigger. Big carefully fishes Froggy out of Chaos's body and escapes under Sonic's orders. Suddenly, the Egg Carrier is about to lose altitude, but Big spots the Tornado 2 and flies to the jungle moments after the flying fortress self-destructs and crashes into the Great Sea.

Big and Froggy are now home and enjoying peace again. Froggy is no longer insane, and Big is celebrating.

E-102 Gamma's Story

Dr. Eggman introduces himself to the second robot in the E-100 series, E-102 Gamma, who awakens. His training involves Gamma seeking and searing the Sonic doll in Final Egg. After that, Eggman introduces Gamma to his older brother, E-101 Beta, and pits them to a small duel. Gamma achieves victory, but Beta boards the Egg Carrier for repairs and an upgrade. The fortress flies off into the skies.

A moment later, Eggman announces to Gamma and his younger brothers, E-103 Delta, E-104 Epsilon and E-105 Zeta, to find and capture Froggy, who's been driven insane by Chaos' tail and has eaten a Chaos Emerald. Gamma heads to the Emerald Coast, grabs Froggy and is about to return when a blinding flash takes him back in time. He tries to figure his location, but it doesn't work. He heads to the alter and lowers his cannon at the presence of the Chao. Tikal rushes to their aid, but she realizes Gamma's not part of the Knuckles clan and gives him some helpful information about the Chaos Emeralds, the Chao and their draconic protector, Chaos, before Gamma reverts to his time.

After that, Gamma and his brothers argue over whose frog is the one, but stop when Eggman walks in. Irritated, Eggman tells them that the frog he wants is crazed, has Chaos's tail and even ate a chaos emerald... but settles when he spots Froggy in Gamma's hands. He proudly congratulates Gamma for his capture and dismisses Delta, Epsilon and Zeta for their idiotic failure. He then tells Gamma to find the bird with Amy, then departs. Gamma accidentally gets into the wrong room, where he spots Beta being repaired and upgraded. He quickly gets to the dungeon where he encounters Amy and the bird (named Lily in Sonic X), and attempts to persuade her to give him the bird. Amy persistently ignores his orders and tells him that love isn't part of his programing, which Gamma angrily replies that she knows something that she shouldn't know. Then the bird flies to Gamma and looks him straight in his eyes. Agitated, Gamma orders them to flee by opening her cell, then heads to the attendance room, where Eggman orders him to get the jet booster from the ammunition room. After that, Gamma heads to the main bridge of the Egg Carrier and engages Sonic in battle. Just as he is about to sear Sonic to ash, Amy interferes. She tells him to remember her and says that he should ditch Eggman, much to Sonic's surprise. Suddenly, the Egg Carrier is about to lose altitude. Sonic races off after Eggman, while Amy says that she and Gamma be friends. He asks why she's helping him, and she replies that friends always help one another. Gamma, Tails and Amy escape as the Egg Carrier self-destructs and crashes into the Great Sea.


Gamma in Windy Valley.

Searching his files, Gamma realizes Amy's words and decides to go 'rogue', beginning his own quest to find and save his brothers. He finds a switch to Windy Valley, explores it completely, spots Delta and battles him. Following this, He heads to Red Mountain, goes in the magma chamber of one volcano, finds Epsilon and defeats him. After that, he realizes Zeta and Beta are on the Egg Carrier and heads towards it via canoe. Gamma enters the Attendance Room and opens the doors to the Hot Shelter lair, where he goes through its tunnels and spots Zeta, who has transformed into a large cylinder-like monster. Gamma engages in battle, sears Zeta's head off and gets out of the Hot Shelter. He gets out of the Attendance room and spots Beta flying towards a field. He heads to it and engages him in battle.

After a long battle, Beta crashes to the ground. Gamma walks over, but Beta shoots him at point-blank range in the face, sending him back. Beta self-destructs and releases a bird, just 20 seconds before Gamma does the same. This brings a tragic end to Gamma, but he has set all the animals free and accomplished his duty.


It is revealed that Chaos has survived. Eggman mutters about his hatred of Sonic, knowing that he cannot spoil his master plan. He stops and spots Chaos, who mauls him. Angel Island has fallen again.

Knuckles knows this as well. He decides to take the Chaos Emeralds to Sonic as advice, but spots Eggman lying on the ground. Eggman's mutter of pain is "This is terrible!! C-Chaos is..." Knuckles asks "Is what?", but is interrupted when Chaos appears and attacks them both, stealing the Chaos Emeralds.

Sonic is relaxing by a tree when Tails tells him that Angel Island has fallen. When they get there, they spot Knuckles and Eggman in serious pain and are exhausted. Knuckles tells Sonic and Tails that Chaos has survived and has stolen his Chaos Emeralds. Eggman heads off on his mobile and searches the jungle for a replacement fortress. Knuckles tells Sonic about Chaos' ferocity and states that if he gets the last Chaos Emerald, death will come. Sonic knows that he'll find it before the renegade does, but is sent to the past for the last time. This time he spots the Alter under attack from the Knuckles clan, who knocks Tikal to the ground and injures many Chao. This enrages Chaos, who devours the Chaos Emeralds and goes berserk. Sonic heads over to Tikal and asks if she's okay. Tikal realizes Chaos is wreaking havoc and seals him and herself within the Master Emerald for an extremely long period of time.

Sonic returns to the present day. Tails says that they have to get the last emerald before Chaos does. They head over to Big's hut and spot the Tornado 2. They are about to get the emerald, but Chaos devours it and goes on a rampage in Station Square, flooding the city. Sonic realizes how vicious Chaos really is, spots the Egg Carrier 2 from the corner of his left eye and knows that Eggman's after the renegade. Eggman attempts to engage in combat, but Chaos sears the fortress to ash with a massive beam of fire. Sonic is getting aggravated with Chaos's ferocity, but Tikal arrives. Sonic realizes Tikal sealed Chaos in the Master Emerald. She states that her heart's been always with the Master Emerald as well as Chaos', but he's full of rage and tragedy. If this happens, he'll sear the Earth like he did centuries ago. Chaos sends the Chaos Emerald flying just 5 seconds before he absorbs their power. Tikal declares that Chaos be sealed in the Master Emerald, but Sonic states that it won't change on how Chaos feels from within, his heart will still remain in turmoil and his anger won't fade. They are faced with only one option: Destroying the anger and rage within Chaos' heart. Sonic's allies gather the Chaos Emeralds and Tails states that Chaos has absorbed their negative power. Closing his eyes and using the positive energy of his friends and the citizens of Station Square, Sonic restores the Chaos Emeralds to their normal state and transforms into Super Sonic. He then flies off to engage the gargantuan dragon in battle.

Two phases later, Chaos is reverted to his normal form, shape and size, and his rage faded. He spots several of his organic kin, the Chao, and knows of their peacefulness. Tikal arrives and tells Chaos that the Chao have been living peacefully with mankind for a long time and continue to do so. With the fighting over and harmony restored, the circle of life moves on. She and Chaos then return to their time. Seconds after, Eggman flies away. Peace is back once more, and Sonic runs off to catch Eggman before he's in search of more adventures.


  • Emerald Coast - Sonic, Big and E-102 Gamma (Tails, Knuckles, and Amy via glitch)
  • Casinopolis - Sonic, Tails and Knuckles (E-102 Gamma via glitch)
  • Twinkle Park - Sonic, Amy and Big (Tails, Knuckles, and E-102 Gamma via glitch)


  • Chaos 4 - Sonic, Tails, and Knuckles
  • Chaos 6 - Sonic, Knuckles, and Big
  • Sonic - Knuckles and E-102 Gamma
  • Knuckles - Sonic and Tails
  • E-102 Gamma - Sonic and Tails


Unlike the previous action game in the series, Sonic 3D Blast, Sonic Adventure has six different characters to choose from, providing two more than the four (Sonic and Tails combo being the fourth) available in the earlier Sonic 3 & Knuckles.

Playable characters

Sonic the Hedgehog

File:Sonic 100.jpg

The main hero of the game with supersonic speed. Sonic's story revolves around Dr. Eggman releasing Chaos from the Master Emerald. Sonic battles Eggman and Chaos in an effort to save Earth, as well as finding the Chaos Emeralds before they do. Sonic has the most stages of any character (the only stage Sonic does not go to is Hot Shelter), and his levels involve high speed gameplay.

Miles "Tails" Prower

514px-Tails 9

Sonic Adventure artwork of Tails

Main article: Miles "Tails" Prower

After Sonic rescues Tails from Emerald Coast after a "Tornado" prototype experiment goes wrong (and crashes), the latter sets out to help Sonic collect the Chaos Emeralds and stop Chaos. Most of his levels are abridged versions of Sonic's, which require him to reach the end of the level before Sonic (or Eggman in the last action stage) can.

Knuckles the Echidna

Knuckles 4

Sonic Adventure artwork of Knuckles

Main article: Knuckles the Echidna

Knuckles is the guardian of the Master Emerald and one of the main protagonists after Sonic and Tails. The Master Emerald shatters when Eggman frees Chaos and Tikal's spirit from within it, causing Angel Island to fall out of the sky. Knuckles' goal is to reassemble the shards of the Master Emerald. His stages are enclosed areas where Knuckles must find shards of the Master Emerald. He can glide through the air and scale most walls.

Amy Rose

Main article: Amy Rose
Amy 1

Sonic Adventure artwork of Amy

Amy Rose is walking through Station Square one day when a tiny blue Flicky falls from the sky and lands on her head. It is discovered that Dr. Eggman needed this Flicky (nicknamed "Birdie" by Amy) because of the Chaos Emerald in its pendant. Amy and Birdie must escape ZERO (otherwise known as ALPHA), one of Eggman's robots. Her primary weapon, the Piko Piko Hammer, returns, as it was previously seen in Sonic the Fighters. Amy is considered to have the shortest story since she has fewer levels than the other characters, despite their length being second only to Sonic's. Amy's levels involve a few puzzles, while going though lanes and paths. Usually ZERO comes in the most surprising ways, to try and capture Amy. The usual goal is to find the yellow balloons at the end of the levels.

Big the Cat

Big 1

Big the Cat with his trusty fishing rod

Main article: Big the Cat

Big the Cat is a newcomer to the Sonic series. Big's best friend is a frog named Froggy, who became possessed by Chaos' tail, and swallows Big's "lucky charm", a Chaos Emerald, which causes him to mutate. The frog then runs off, and Big's story begins.

His levels involve using his fishing pole to try and catch Froggy, although he can also choose to try and catch big fish, with score bonuses based on size.

E-102 Gamma

Main article: E-102 Gamma

E-102 Gamma's appearance in Sonic Adventure

E-102 Gamma is one among a series of Eggman robots designed to take orders without question. After an encounter with Amy, he suffers a malfunction and gains a "conscience". He then turns his aim to destroying his robotic brothers and freeing the animals trapped inside them. "Gamma" is one of the letters in the Greek alphabet. Gamma's levels are shooting levels in which the player races against the clock to get to the end and destroy the target (usually one of the other E-Series robots). Players gain time depending on how many enemies they shoot in a row/chain by using the lock on feature that Gamma has.

Super Sonic

Main article: Super Sonic

Super Sonic is unlocked after the stories of the other characters have been completed. The story is a continuation of Sonic's story and brings all of the characters together to face Perfect Chaos. When in Super form, Sonic moves faster and attacks by gaining speed and ramming into Perfect Chaos. Super Sonic was originally going to be playable in the Action Stages (implied by an unused voice clip explaining how to turn into Super Sonic) but was scrapped, most likely due to time constraints.

Metal Sonic

Main article: Metal Sonic

Metal Sonic is unlocked after getting all the emblems (or by performing the glitch in Windy Valley). He is only an alternate costume for Sonic and has no story of his own. He replaces Sonic's story. This feature is only available for Sonic Adventure DX and not in the original Sonic Adventure. He also has different sound effects.

Non-playable characters and villains

Dr. Eggman

Main article: Doctor Eggman

Dr. Ivo Robotnik, also known as Dr. Eggman because of his round body shape, has formulated a new plan to conquer the planet, this time not relying on his robots alone, but employing a strange liquid creature known only as Chaos (who ends up betraying him).

Note: This is the first game in which the name "Eggman" was used in the West.


Main article: Chaos

Chaos is the guardian of the Chao, and is actually a mutated Chao himself. He is apparently made of water or a plasma-like material and continually changes form after consuming a Chaos Emerald. After consuming all seven Chaos Emeralds, it turns into Perfect Chaos and starts destroying the city, until Super Sonic defeats it (in actuality, he neutralizes the evil within Chaos's heart, which was causing it to function within a state of blind rage).

Tikal the Echidna

Main article: Tikal the Echidna

A mysterious female echidna who appears whenever Sonic, Tails, Knuckles, Amy, E-102 Gamma and Big are sent back in time. She is trying to stop her father, Pachacamac, from stealing the Chaos Emeralds from the Master Emerald shrine. She appears mostly in the form of a pink ball of light called a Hint Orb.


Zero is one of Eggman's Robots sent to find Amy's friend Birdie. He follows Amy wherever she goes hoping to capture her and the bird. At one point, he succeeds, but Amy is rescued by E-102 Gamma. Eventually, Zero is defeated by Amy Rose on the Egg Carrier. Zero is the antagonist of Amy's story due to him trying to catch the bird.


Main article: Chao

Chao are featured in the flashbacks, said to be Chaos' children. They exist primarily in the Chao Gardens as a sort of intelligent virtual pet for the player to raise, an "evolution" of the A-life system from NiGHTS into Dreams... Chao can be taken with the player by downloading the minigame Chao Adventure to his/her VMU, or in the GameCube version, by downloading the Chao to a Game Boy Advance.

E-100 series

Main article: E-Series

Dr. Eggman's E-100 Series series of robots play a large role in Gamma's story, as he is one of them, and is out to destroy or "save" the others. All of them have letters of the Greek alphabet as part of their name.

  • E-100 "Zero" (Description above). Note that E-101 Beta is the first in the E-100 series in this game. The anime, Sonic X, later established Zero's model number as "E-100" (thus moving E-101 to second in the series, mildly contradicting Sonic Adventure). Note, all the E-100 Series are named after letters in the Greek Alphabet, Therefore due to being described E-100, he is given the name Alpha as well as Zero, due to Beta being the second letter in Greek Alphabet, making Zero/Alpha a letter before him due to being E-100.
  • E-101 Beta is a black robot with two gun arms. He is the first boss in E-102 Gamma's side of the story, and is later upgraded into E-101 Beta Mk II, who is Gamma's fifth and final boss. Beta is the antagonist of Gamma's story.
  • E-103 Delta is a blue robot who is Gamma's second boss, waiting at the end of Windy Valley.
  • E-104 Epsilon is an orange robot who is the third boss of Gamma's side of the story and is fought at the end of Red Mountain.
  • E-105 Zeta is a purple robot who is Gamma's fourth boss and is located at the end of Hot Shelter. While at first humanoid, Zeta is altered into a cylinder-like form with several turrets.


NiGHTS makes a cameo in the Casinopolis stage where there is a pinball stage based on the NiGHTS series. In fact, the music that plays is taken directly from NiGHTS Into Dreams...



Comparison between the early gameplay footage and the final release.

According to an interview with Takashi Izuka the Sonic World environment featured in Sonic Jam was a prototype level for Sonic Adventure and that the game was at one point going to be made for the Sega Saturn, but said that "due to technical issues and the timing of the upcoming Dreamcast project, we had to end it and instead incorporated it into the Saturn's Sonic Jam. We then moved development for Sonic Adventure on to the Dreamcast". A Japanese commercial of Tails for the release of Sonic Adventure showed some gameplay footage of Sky Chase Act 2 with what appears to be Sonic and Tails in their 3D models from Sonic Jam and Sonic R, which hints at the fact that the game may have been intended for the Saturn (the footage is actually from the Dreamcast, with the Saturn models as stand-ins while the newer models were being completed). Even then, Sky Chase Act 1 notably features the Saturn-era models in the final release, but only in the Dreamcast version.

With the release of Sonic Generations, it's been recently explained in another interview that the updated look of Perfect Chaos in that game was how it was originally designed for Sonic Adventure, but couldn't be done due to technological restraints on the Dreamcast. [2] Instead, Perfect Chaos' body in Sonic Adventure was done to look like it was made completely out of water, which was still something beyond what the Saturn would have been capable of.

Story structure

The story is told through the perspective of the character you choose to play as and as a result the stories tend to diverge at certain points based on the character arc. It is interesting to note that the story takes on a certain Rashomon type structure in terms of dialogue and certain events when more than one of the playable characters is present in a scene. For example, each character has their viewpoint of a certain scene, so the dialogue between versions tends to be different. This perspective also justifies the different outcomes of certain encounters, for example, when Sonic faces E-102 Gamma on the Egg Carrier, through Sonic's perspective Sonic is about to destroy Gamma, through Tails' perspective Tails is about to destroy Gamma and through Gamma's perspective, Gamma is about to kill Sonic.



The Game Guide for Sonic Adventure.

The game is divided up into two stages: Action Stages, and Adventure Fields. The division of Action Stages and Adventure Fields was a serious departure from all previous Sonic games.

Action Stages

Action Stages are basically playable levels. This is the only type of area where Sonic or any of his companions will encounter enemies (most boss battles appear to take place in the Adventure Fields, but they are actually in Action Stages designed to look like the Fields). There are eleven Action Stages, accessible by different characters. However, unlike previous Sonic games, Action Stages are not made up of Zones and Acts. Instead, the game plays more like each Adventure Field is a Zone and the Action Stages are the Acts in the Zone. The Action Stages have separate areas that could be considered "Acts", but they are not separate levels, as in previous games.

Sub Games

Sub Games are mini games based on action stages. When you complete a sub game on Story Mode, you unlock it on the sub game menu located on Trial Mode. For some Sub Games you can use any character, but some of them require the use of the character(s) from Story Mode. You can get two emblems from each sub game, from achieving high scores. The second emblem requires a much higher score than the first. The scores appear at the end of a sub game. You cannot get two emblems per character but can use any to get one emblem (if it allows more than one character).

Adventure Fields

Adventure Fields are non-linear game stages, generally designed for (light) puzzle solving, exploration, and plot advancement. They contain very few items (enemies, rings, etc.). Every Adventure Field links to the other two Fields and a Chao Garden. They also have four Emblems each. They are each packed with various power-ups for different characters.

There are three Adventure Fields:

  • Station Square: a large, metropolitan city, and is the location of Sonic's first fight with Chaos. Eggman plans to destroy it and construct "Robotnikland" on its ruins. A train here takes you to the Mystic Ruins.
  • Mystic Ruins: a large mountainous area and the largest Adventure Field in the game, containing the crashed Angel Island. A train here takes you to Station Square. Deep in the jungle, a Ziggurat can be found. Tails' workshop is in this area. It also has a base home to Eggman.
  • Egg Carrier: Eggman's massive flying airship. This is the Adventure Field where most characters fight their final bosses (except Sonic and Tails). The Egg Carrier has 2 layouts and multiple transport devices unique to this field.
  • Egg Carrier Crashsite: This area appears when the Egg Carrier crashes. This is an early stage for E-102 Gamma. There are 2 boats, 1 leads to Station Square while the other goes to the Mystic Ruins.


Original Soundtrack


The reception at the time of release was overwhelmingly positive, including reviews from GameSpot and GameSpy being above 90%. It is considered one of the best games in the series. The current Game Rankings average ranking is 88%.[3] It became one of the few Sega All Stars games. In Japan, it received a nearly excellent score of 38/40 from Famitsu.[4] Similar to its sequel, however, the later-released GameCube port was criticized by many of the same sources who praised the Dreamcast version, although in this case, the Directors Cut reportedly didn't play as well as the original version did. [5] Sonic Adventure DX: Director's Cut averaged a 63% at Game Rankings, as well as being rated one of the top five Sonic games by ScrewAttack. [6]

Voice actors

Role English Voice Actor Japanese Voice Actor
Sonic the Hedgehog Ryan Drummond Junichi Kanemaru
Miles "Tails" Prower Corey Bringas Kazuki Hayashi
Knuckles the Echidna Michael McGaharn Nobutoshi Canna
Amy Rose Jennifer Douillard Taeko Kawata
Big the Cat Jon St. John Shun Yashiro
Tikal the Echidna Elara Distler Kaori Asō
Dr. Eggman Deem Bristow Chikao Ōtsuka
E-102 Gamma Steve Broadie Jōji Nakata
Pachacamac Steve Broadie Tōru Ōkawa
Additional Voices Lani Minella Kaho Kōda

Dreamcast versions

Sonic Adventure

The original game released in 1998.

Sonic Adventure: Limited Edition

Exactly the same as the above version, except without the Internet.

Sonic Adventure International

Shortly after the U.S. launch of the Dreamcast, Sonic Team released Sonic Adventure International. This was the same game, but with additional features that provided a more complete experience:

  • The complete English voice track and the complete Japanese voice track were included.
  • A new option was added to the Options screen, giving the user the choice of text in five different languages: English, Japanese, French, Spanish, and German.
  • A few glitches were fixed.

Sonic Adventure DX: Director's Cut

Sonic Adventure DX: Director's Cut (ソニックアドベンチャー デラックス Sonikku Adobenchā Derakkusu?), is a platform game for the GameCube and PC. It was also made available for the PlayStation 3 and Xbox 360 by download.

The game was released as an enhanced port of the original Sonic Adventure for the Dreamcast, with several additional features added. The PC version was at first released only in Japan and Europe, but later saw a limited North American release. Sonic Adventure DX includes a mission mode, which included 60 missions to complete throughout the adventure fields and action stages. It also contains a minigame collection, which is comprised of twelve Game Gear games featuring Sonic and friends.

Reviews were generally less positive than those of its Dreamcast predecessor, scoring more than 20% lower than the original release.[7]

Unlockable games

The game features many unlockable games previously available on the Game Gear. If the start button of the second controller is pressed, the game screen will split, and two games will play at the same time. Additionally, Gear-to-Gear cable emulation is present, enabling the games that have two-player modes to be played if both players access the proper options within the game. These games were to be included in the Dreamcast version, but were scrapped due to time constraints. The same goes for the reintroduced feature of being able to play as Metal Sonic. A new Game Gear game is unlocked for every 20 Emblems the player gets, up until 100, then every 10 after that, or by completing 20 more of the 60 missions.

Unlockable games (in order):

  1. Sonic the Hedgehog (8-bit)
  2. Sonic Drift
  3. Sonic Chaos
  4. Sonic Labyrinth
  5. Sonic Spinball
  6. Sonic the Hedgehog 2(8-bit)
  7. Dr. Robotnik's Mean Bean Machine
  8. Sonic Triple Trouble
  9. Sonic Drift 2
  10. Tails' Skypatrol
  11. Sonic Blast
  12. Tails Adventure

Changes over the original Sonic Adventure


A screenshot of the level Emerald Coast.


Note the graphical enhancement of Sonic in the DX version compared to that of Sonic Adventure.

Sonic Adventure DX: Director's Cut includes everything that was added to the original version of the game as well as several additions/changes. They include:

  • Enhanced graphics: The main characters were recreated with higher polygon counts and shading technology was also implemented for effects such as rippling water (shading effects are not present in the PC version, however).
  • The original 60 frame/s frame rate was restored. Unfortunately, due to the unstable nature of the Sonic Adventure engine, the game frequently skips frames, usually in an uneven pattern (causing noticeable choppiness), even in places where few objects are displayed, and/or where the Dreamcast version did not slow down (however, some effects that caused slowdown before do not affect the frame rate in the GameCube version). Cutscenes now run at a lower frame rate, but this seems to have been intended, for cinematic purposes.
  • Some sound effects, such as when collecting rings and emblems, are lower in pitch, while the losing rings sound effect is higher in pitch.
  • A Camera option was added to the pause menu, allowing the user to select either the original Auto Camera or the newly added Free Camera, which is usually closer to the character. In Auto Camera mode, the C-Stick can be used to get a first person view of the environment. In Free Camera mode, it rotates the camera around the player.
  • Changes (mostly minor) were made within the levels themselves in an effort to help solve some of the game's problems concerning collision detection. However, many glitches were not fixed, and some new ones were actually added. Some have to do with inconsistency in the port (for example, some windows still reflect the original Dreamcast graphics).
  • The Internet connection feature was removed. Some of the downloadable content from the Dreamcast version, such as the Chao Garden's black market and additional voice packs, are included in the GameCube port. However, unlike the sequel, many of the online features were not mixed in with the GameCube game and remain exclusive.
  • Many changes to the Chao System were made, such as more interaction with the Chao, the ability to see their stats, as well as changes to the appearance of the Chao. The Chao Adventure VMU minigame was removed (instead replaced with a Game Boy Advance connection feature). The Chao System is overall very similar to the Sonic Adventure 2: Battle Chao System.
  • 60 Missions were added for an all-new Mission Mode, which tasks the player with completing certain goals within the Adventure Fields and Action Stages, similar to the Mission Mode found in Sonic Jam's three-dimensional Sonic World.
  • Metal Sonic becomes a playable character in Trial mode, as a reward for collecting all of the Emblems. He plays identically to Sonic, although his standing animation seems to be glitched. Oddly enough, he also cannot breath underwater.
  • Cream the Rabbit makes several cameo appearances during the main game and Mission Mode to guide the player; for example finding the "Ice Stone" after the Casinopolis Action Stage and when E-102 Gamma first goes to Station Square.
  • As mentioned above, a Mini Game Collection mode was added allowing access to 12 Sega Game Gear games. This is the first time Sonic Drift and Tails' Skypatrol were released in the US and Europe.
  • The ability to skip cutscenes by pushing Start was added.
  • A map, found on the pause menu while in Adventure Fields, was added. This is especially useful when navigating the Mystic Ruins jungle.
  • The train used to transport from Station Square to Mystic Ruins is now blue instead of red as in the Dreamcast version.
  • Some voice effects were changed like when Tails begins to fly or when Amy swings her hammer.
  • The characters' mouth movements match up with their lines in each respective language. However, this seems to cause some graphical glitches (such as Tails sliding along the ground in Super Sonic's story in English). In the original release, only the Japanese lines were lip-synced. The International release changed this so that they didn't match either language.
  • Loading times are significantly shorter than in the Dreamcast version.
  • In the opening title sequence, Tails has his mouth open when he flies by the shattering windows. His mouth is closed in the Dreamcast version.
  • Oddly enough, the final picture after each character's ending credits still reflects their Dreamcast designs.
  • Instead of having black eyes like in the Dreamcast version, Knuckles has purple eyes just like he had in official artwork.
  • Amy's boots are more rounded in the front, unlike the Dreamcast version where they were square-tipped.
  • In Sky Chase Act 1, the Classic Sonic model is replaced by a Modern Sonic model.
  • In both the PC and GameCube versions, Each character's eyelids are the same color as their fur unlike the Dreamcast version where they are the same color as their skin.
  • In the original, their hands were one solid object with lines in them, while in the port, their fingers are separated from each other.


Xbox Live Arcade and PlayStation Network Port

Sonic Adventure

Xbox Live Arcade Version

Sega announced on 10th June, 2010 that the game will be a downloadable title on the Xbox 360 and PlayStation 3 along with Crazy Taxi. Sonic Adventure was released on Xbox Live Arcade and PlayStation Network on September 15th 2010 for $10 (800 MS Points); the DX content is available to add onto the game for an additional $5 (400 MS Points). The upgrade also has somewhat upgraded graphics. However, the Game Gear games were removed from this version.

Differences From the Dreamcast and Xbox Live Arcade/PlayStation Network Versions

  • In Super Sonic's Story when Sonic is at the burning alter, it shows it in a cutscene style.
  • Most of the glitches that were left in the GameCube and Dreamcast versions were fixed.
  • The graphics are brighter.
  • You can go online and view scores of other players.
  • The sound effects in the sound test menu respond better and are more organized then the Gamecube and Dreamcast version.
  • The text font for the subtitles are different.
  • The textures are more clear (due to the HD).
  • There are purple bars on each side of the screen (if played in HD).
  • The character models are shinier than the GameCube version.
  • In mission 12 for Knuckles the signs that had an image of: Sonic Mega Collection, Sonic Advance 2 and Sonic Pinball Party now have an image of Sonic 06, Sonic the Hedgehog 4 and Sonic Unleashed respectively.
  • Even with out the DX DLC, Tails' mouth will still be open despite the fact the original had it closed.
  • This version is a port of the PC version of Sonic Adventure DX.


Image Name Description
362638 Miles "Tails" Prower Become friends with Tails.
362637 Knuckles the Echidna Become friends with Knuckles.
362636 Amy Rose Become friends with Amy.
362635 E-102 "γ" Become friends with E-102.
362634 Big the Cat Become friends with Big.
362644 Sonic the Hedgehog Clear the Sonic story.
362645 Super Sonic Clear all characters stories.
362646 The Fastest & Strongest Get Level A on all the Action Stages.
362647 Sub Game Master Get all Emblems of the Sub Games.
362639 Chao's Best Friend Get all Emblems of the Chao Race.
362648 The Adventurer Get all Emblems in the Adventure Field.
362652 The Perfect Adventurer Get all 130 Emblems
Dlc Sonic Adventure DX Add the DX DLC.
362642 Metal Sonic Get all 130 Emblems by playing Sonic Adventure DX.
362643 Metal Sonic Master Get Level A on all the Action Stages by using Metal Sonic.
362650 Mission All Accomplished Clear all 60 missions.

Sonic Adventure: Limited Edition

Sonic Adventure Limited Edition Title Screen

Title screen of the Limited Edition

Sonic Adventure: Limited Edition is a special pre-release of Sonic Adventure for the Sega Dreamcast and was made to show the connection between Sega and the Hollywood studios. In July of 1999, the game was made available for rent for a limited time and until 2 months its features would vanish. In 2008 an image of the Sonic Adventure Limited Edition GD-ROM was dumped by drx.


Sonic Adventure International Box Art


Sonic Adventure International Box Art

Sonic Adventure International

Sonic Adventure International is a Japanese exclusive re-release of the original Sonic Adventure. This re-release was due to Sonic Adventure being rushed to the market in Japan and having several bugs and unimplemented features. The U.S. release had more development time, thus the game was closer to what its developers had intended for it. Sonic Adventure International is the same as that version, but with added features.


Sonic Adventure has been adapted into other media on several occasions.

Archie Comics produced a tie-in story arc that began in Sonic the Hedgehog #79 and concluded in Sonic the Hedgehog #84, with the thirteenth Sonic Super Special, "Sonic Adventure", taking place in between.

Sonic the Comic also included a ten-issue, loose adaptation of the game, which was notably the final story arc ever produced for the series.

Sonic X included a Sonic Adventure adaptation between episode 27, "Pure Chaos", and episode 32, "Flood Fight". This adaptation was somewhat faithful to the story of the game, with the Japanese version even being a word-for-word adaptation at some points (the 4Kids version is somewhat less faithful to the game). However, parts were written in for characters such as Chris Thorndyke and Cream the Rabbit.


  • Sonic X is loosely based on this game and has had its own arc in the anime.
  • This marks the first appearance of Big the Cat, Froggy, Tikal, E-102, Chaos, and the Chao.
  • The Sonic Adventure games are considered to have been a sort of revamp of the Sonic the Hedgehog series due to the new character designs introduced, some of which differ greatly from the original designs (such as with Amy and Dr. Eggman).
  • In the Mission Mode of Sonic Adventure DX, the player occasionally has to collect gold Sonic medals. Interestingly, these are the same gold Sonic medals from Sonic R.
  • Oddly enough, in the Casinopolis stage, if the player were to go into the bathroom and step into one of the shower stalls, Sonic will start to wash his quills for a few seconds.
  • When Amy is "remembering the good times" in a flashback (Sonic CD), she is being rescued by Sonic while the two are chased by Metal Sonic. However, she is in her redesign instead of her old one.
  • An unused line from Tikal states, "Gather 50 rings, and press the Action button while you jump. You'll transform into Super Sonic! But watch out for your ring consumption." Which means that Super Sonic was originally going to be playable in the normal levels, much like he was in Sonic 2 and Sonic 3 & Knuckles.[8]
    • In the PC version of DX, there is a hack that makes this possible, if one were to have installed the hack, beaten Super Sonic's Story, then played any of Sonic's Action Stages.
      • Along with that, this feature may have been realized officially through unlocking Super Sonic in Sonic Generations, though only in the sense that you can play as him in Speed Highway.
  • When Big enters an elevator, he will say, "Ow!" when the doors close, and since part of his tail is seen, it is obviously implying his tail got caught between the doors.
  • Sonic Adventure is the first Sonic game to feature downloadable content, as the Dreamcast was the first ever video game console to have online capabilities out of the box. DLC ranged from celebratory holiday decorations in the Adventure Fields and a few levels, such as on Christmas and Halloween, to national ranking contests and the addition of the Chao Black Market.
  • The game has sold over 2.5 million copies worldwide, making it the best-selling Dreamcast game.[9]
  • In the original Dreamcast version of the game, if one were to insert the disk into a PC, special wallpapers hidden on the disk will be available for download. There is also a list of main console Sonic games prior to the release of Sonic Adventure. It reads:


SONIC the Hedgehog, 1991

SONIC the Hedgehog 2, 1992

SONIC the Hedgehog 3, 1994



SONIC Adventure (for Japan), 1998

  • Cream the Rabbit makes cameo appearances in Sonic Adventure DX. She can be seen flying around Station Square when certain levels have been finished, or when a few special cutscenes have been played.
  • This is the first 3D main console Sonic game to feature Amy as a playable character.
  • In both ports of the English dub of Sonic Adventure, voice synchronization is differs greatly from when the characters actually speak. However, since the mouths of the characters were originally made to match the Japanese voices, voice synchronization matches if the player has the Japanese dub turned on in the Options menu.
  • This is the only game where, when in his Super form, Sonic is referred to as "Super Sonic" rather than "Sonic", as if the transformation was a separate character.
  • In the Xbox Live Arcade and PlayStation Network versions, after performing specific tasks, clothes for PlayStation Home and Xbox 360 Avatars such as a Sonic Adventure T-Shirt and Sonic's Shoes are available.
  • On top of the entrance to Twinkle Park, there is a giant, orange ball with a red star in front of it that, when looked at from a certain angle, bears a great resemblance to a Dragon Ball, an object from the series of the same name. Although it could be mere coincidence, this may be a reference to Dragon Ball and the fact that Yuji Naka is a self-proclaimed fan of the series.[10]
  • When using the moonjump action replay code pressing the moonjump button in some cutscenes will cause Tikal and Eggman to jump which means that they were originally meant to have been playable.
  • In the Dreamcast version, in Sky Chase Act 1, if you look closely, you can see a model of Classic Sonic.
  • Sky Chase Act 1 was going to contain a 2 headed dragon boss that would chase you toward the end of the level. It was scrapped but by hacking in any version of the game you can make this boss appear and fight it. You can attack it but it won't attack you.
    Unused Dragon Boss Of Sonic Adventure02:09

    Unused Dragon Boss Of Sonic Adventure

    The unused metal dragon boss Video

  • The game is noted to have many glitches, some which let characters access levels they normally can't play, such as Tails in Emerald Coast, or Knuckles in Twinkle Park. This suggests that some of the characters, at one time, were intended to go into that stage.
  • Oddly enough, Sonic Adventure DX was criticized mostly for the model change from the models of Sonic Adventure.
  • When Sonic is on the Tornado, he has his original shoes on instead of the Light Speed Shoes, and is also missing his Crystal Ring (That is, if the player had collected the Crystal Ring).
  • The music in the beginning of Sonic's version of Twinkle Park borrows music from Panic Puppet Zone from Sonic 3D.
  • In Windy Valley's last area, remixed music from Green Grove Zone is used. The latter was also in Sonic 3D.
  • This is the first Sonic game to feature a hub world.
    • It was also the only Dreamcast Sonic game to have a hub world.
  • The PlayStation 3 version of the game is the first Sonic game to be on PlayStation Network.
  • In Sonic Generations, Perfect Chaos returns as a boss, During the boss fight, a remix of "Open Your Heart" and "Perfect Chaos Revival" can be heard, and in the Hub World, when in Perfect Chaos's section of the hub, another remix of Perfect Chaos Revival plays.
  • Emerald Coast returns in the 3DS Version of Sonic Generations.
  • Speed Highway also returns in Sonic Generations, as one of the main levels in the Dreamcast Era.
  • The playable story cast can be split in half based on their jumping method, ball or straight. Of those groups, both have the same missions, but with some slight differences:
    • Amy and Sonic both get to the goal, but Amy's missions have an invincible foe added in.
    • Knuckles and Big both hunt for something, but Big has to fish for his while Knuckles has to treasure hunt for it.
    • Tails and Gamma both have races; Tails has to race against another character while Gamma races against the clock to defeat his adversary.
  • This is the first Sonic game to have a different level entrance screen style. The other is Sonic Unleashed.
  • Some tracks in the wma files and sound test are not heard at points in the game where the name suggests it should play.
    • The Egg Carrier was meant to have a different track for when it had landed in the sea.
      • This track, however, is used during the Cutscene when Gamma finds Beta as Beta MKII.
    • Amy was meant to have a track named "Amy: Hurry Up", that supposedly was meant to have played when she was being chased by ZERO.
      • This track was instead used during the Cutscene in Tails' Story when Eggman launches the Giant Missile on Station Square. (Since Amy was in the beginning of this cutscene, it could be named after Amy telling Tails to hurry up)
    • Many BETA images from the dreamcast are re-used for Sonic Adventure DX's release.



For more images please see: Sonic Adventure/Gallery

2D Artwork

Magazine Covers

External links


Sonic the Hedgehog console main series games

Start a Discussion Discussions about Sonic Adventure

  • Where did Chaos and Tikal go?

    10 messages
    • They went to Teotihuacán, no just kidding, they probably went to the afterlife, considering that Tikal was a spirit, and Chaos was technica...
    • Back in the Master Emerald. Peacefully this time though. 
  • What do you think of the Sonic Adventure 3 movement?

    70 messages
    • The video I linked wasn't about a random fishing video game with Big the Cat, it was about an action-ny videogame that involved fishing a...
    • Actually, there was a fan game called Big's Fishing Derby. Neve rplayed it before but looks fun.

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