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Sonic Adventure 2

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Quotation1 Sonic Adventure 2. Last Episode. Wishes are Eternal. Quotation2

Sonic Adventure 2 is a platform game developed by Sonic Team and published by Sega in 2001 as a part of the Sonic the Hedgehog series.

Sonic Adventure 2 is the sequel to Sonic Adventure. It was released in North America on June 5, 2001 and in Japan and Europe on June 23, 2001 to mark the 10th anniversary of the release of the original Sonic the Hedgehog. This game introduces two new playable characters, Shadow the Hedgehog and Rouge the Bat, and is also one of the few Sonic games to feature Dr. Eggman as a playable character. On December 10, 2001, a port of the game called Sonic Adventure 2: Battle was released onto the Nintendo GameCube in Japan, followed by North America on February 11, 2002 and Europe on May 3, 2002. It was announced at Sonic Boom 2012 that the game was being re-released on Xbox Live Arcade and PlayStation Network in Fall 2012. According to TSSZ News website a PC/Steam Version was confirmed on August 1, 2012.


Single player

Gameplay takes place between two different points of view storylines, the "Hero" story and the "Dark" story; the player has the option of advancing in either one or the other at any time. The "Hero" story features Sonic, Knuckles, Tails and the non-playable Amy, while the "Dark" story features Shadow, Rouge, and Doctor Eggman. Each hero character plays similarly to their respective dark character and vice versa. Levels advance in order for each storyline, come between each of the playable characters.

Levels featuring Sonic or Shadow are designed in much the same way as they were in Sonic's levels in Sonic Adventure,[2] where the player's primary objective is simply to get to the end of the level. Levels with Tails or Dr. Eggman allow the player to control a mechanized robot walker and generally blast their way to the end, much like E-102 Gamma's stages in Sonic Adventure. Knuckles and Rouge are required to scour their levels for shards of the Master Emerald (with the exception of 2 stages where they must find keys into Eggman's base and 1 stage where Chaos Emeralds are located), again, much like Sonic Adventure. Interspersed between the levels are various bosses, which one particular character must fight. The main story line can only be finished when both "Hero" and "Dark" story modes are finished, and an extra story feature is revealed where the player must use all the characters to beat it.

Within Action Stages, players collect rings and defeat enemies, with a timer counting the time spent within the level. At the end of each stage, the player is given a score based on the number or rings collected and time spent within the level. The less time is used and the more rings obtained, the higher the score is. The player is also given a rank-based performance, a letter grade that is either A, B, C, D, or E, with A being the highest and E being the lowest. Irrelevant to any other factors, an A Rank is automatically awarded to players that complete any score-ranked mission with all of the rings from that level in the player's possession.

There are five missions within each Action Stage; in order to obtain the second mission, the player must complete the first one, to unlock the third, the second mission must be finished, and so on. In order from first through fifth, the missions are to complete the level, collect 100 rings, find a "lost Chao" using the Mystic Melody upgrade, finish within a time limit, and complete a "Hard mode" version of the Action Stage.

Emblems are also given within the game; there are 180 Emblems in total. In order to gain all 180 Emblems, players must defeat every mission within every stage, achieve an A rank in all stages and missions, etc. After collecting all 180 Emblems, the player unlocks an extra level 3-D Green Hill level. 3-D Green Hill is a remake of Green Hill Zone from the original Sonic the Hedgehog game.

Two-Player Mode


The characters from the Two-player mode of Sonic Adventure 2: Battle

Unlike its predecessor, Sonic Adventure 2 has a two-player mode. Like the single player mode, 2P Play has action racing (Sonic/Shadow levels), treasure hunting (Knuckles/Rouge levels) and shooting (Tails/Dr. Eggman levels). Each type of stage is played split-screen except for the shooting stages. The conditions for winning in each type are as follows:

  • Action Race - The player who reaches the Goal Ring first wins.
  • Treasure Hunt - The first player to find two pieces of the Master Emerald wins.
  • Shooting - The first player to reduce their opponent's health gauge to zero wins.

Shadow in Kart Racing

There is also a Kart Racing mini-game in the two-player mode, but the player will have to clear the Kart Stages in the Hero and Dark stories in order to enable Kart Racing in 2P Play.

In the two-player mode of the GameCube port, Sonic Adventure 2: Battle, along with action racing, treasure hunting, shooting, and Kart Racing, there's also Chao Racing, Chao Karate and a random mode that chooses the characters and stages for you.

Along with the six main characters of the game, the two-player mode has some unlockable characters that are exclusive to 2P Play. In the Dreamcast version, these include: Amy Rose (playable after beating all of Sonic's levels with an "A" rank), Metal Sonic (playable after beating all of Shadow's levels with an "A" rank), Tikal (playable after beating all of Knuckles' levels with an "A" rank), Chaos 0 (playable after beating all of Rouge's levels with an "A" rank), a Chao (playable after beating all of Tails' levels with an "A" rank), and Big (playable after beating all of Eggman's levels with an "A" rank). In the GameCube version, all of these characters are already playable, however, Big is replaced by a Dark Chao.

Another exclusive to the two-player mode is alternate costumes. In the Dreamcast version, the player could unlock special costumes for each of the six main characters by completing all of their respective missions. These costumes originated from Phantasy Star Online, an online RPG series that was also developed by Sonic Team. Also on the Dreamcast version were seasonal costumes for Halloween and Christmas, only available when playing two-player mode on October 31st (Halloween costumes) and Christmas Day (Christmas costumes). The GameCube port also has alternate costumes, which are different from the Dreamcast version and can be obtained after clearing all of a character's missions with an "A" rank.



  1. City Escape - Sonic - 1P / 2P (called "Downtown Race" in 2P) (Contains Magic Gloves - requires Bounce Bracelet/Flame Ring)
  2. Radical Highway - Shadow - 1P / 2P (Contains Flame Ring - requires Air Shoes)
  3. Mission Street - Tails - 1P / 2P (Contains Booster)
  4. Route 101 (Kart) - Tails - 1P / 2P (Kart Racing Mode is based off of this level)
  5. Route 280 (Kart) - Rouge - 1P / 2P (Kart Racing Mode is based off of this level)
  6. Aquatic Mine - Knuckles - 1P Only (called "Pool Quest" in 2P) (Contains Air Necklace)
  7. Green Forest - Sonic - 1P / 2P (Contains Ancient Light)
  8. White Jungle - Shadow - 1P / 2P (Contains Air Shoes)
  9. Iron Gate - Eggman - 1P / 2P (Contains Laser Blaster - requires Large Cannon)
  10. Security Hall - Rouge - 1P / 2P (Contains Treasure Scope - requires Mystic Melody/Iron Boots)
  11. Prison Lane - Tails - 1P Only (Contains Laser Blaster - requires Bazooka)
  12. Metal Harbor - Sonic - 1P / 2P (Contains Light Shoes)
  13. Weapons Bed - Eggman - 1P / 2P (called "Deck Race" in 2P) (Contains Large Cannon)
  14. Pumpkin Hill - Knuckles - 1P / 2P (Contains Shovel Claw)
  15. Sky Rail - Shadow - 1P / 2P (Contains Ancient Light)
  16. Wild Canyon - Knuckles - 1P / 2P (Contains Mystic Melody - requires Shovel Claw)
  17. Dry Lagoon - Rouge - 1P / 2P (Contains Mystic Melody - requires Pick Nails)
  18. Sand Ocean - Eggman - 1P / 2P (Contains Mystic Melody - requires Jet Engine)
  19. Hidden Base - Tails - 1P / 2P (called "Pyramid Race" in 2P) (Contains Mystic Melody - requires Bazooka)
  20. Pyramid Cave - Sonic - 1P Only (called "Grind Race" in 2P) (Contains Bounce Bracelet)
  21. Egg Quarters - Rouge - 1P / 2P (Contains Pick Nails)
  22. Death Chamber - Knuckles - 1P / 2P (Contains Hammer Gloves)
  23. Meteor Herd - Knuckles - 1P / 2P (Contains Sunglasses - requires Hammer Gloves)
  24. Mad Space - Rouge - 1P / 2P (called "Planet Quest" in 2P) (Contains Iron Boots)
  25. Cosmic Wall - Eggman - 1P / 2P (Contains Protection Armor)
  26. Lost Colony - Eggman - 1P / 2P (Contains Jet Engine)
  27. Eternal Engine - Tails - 1P / 2P (Contains Bazooka)
  28. Crazy Gadget - Sonic - 1P Only (Contains Flame Ring)
  29. Final Rush - Sonic - 1P / 2P (Contains Mystic Melody)
  30. Final Chase - Shadow - 1P / 2P (Contains Mystic Melody)
  31. Cannon's Core - all playable 1P characters (except Shadow) - 1P Only
  32. Green Hill Zone (unlockable stage) - Sonic - 1P Only



  1. Bigfoot - Sonic
  2. VS. Eggman (before Prison Lane) - Tails
  3. VS. Shadow (before Green Forest) - Sonic
  4. King Boom Boo - Knuckles
  5. Egg Golem - Sonic
  6. VS. Rouge - Knuckles
  7. VS. Eggman (aboard the Space Colony ARK) - Tails
  8. VS. Shadow (aboard the Space Colony ARK) - Sonic


  1. Hot Shot - Shadow
  2. VS. Tails (after Weapons Bed) - Eggman
  3. Flying Dog - Rouge
  4. VS. Sonic (after White Jungle) - Shadow
  5. Egg Golem - Eggman
  6. VS. Knuckles - Rouge
  7. VS. Tails (aboard the Space Colony ARK) - Eggman
  8. VS. Sonic (aboard the Space Colony ARK) - Shadow


  1. Biolizard - Shadow
  2. The FinalHazard - Super Sonic and Super Shadow


Opinions of Sonic Adventure 2 are variable among both professional reviewers and fans of the Sonic series. At its initial release on the Dreamcast, Sonic Adventure 2 was the recipient of very positive reviews, averaging an 89% according to critic compiler Metacritic[3]. However, the Nintendo GameCube port (Sonic Adventure 2 Battle) fared considerably worse in terms of reviews[4], despite having no single player gameplay changes from the Dreamcast version and only an 8-month gap between their releases.

To date, the game has done well with sales of 1.44 million units in North America alone, making it one of the GameCube's highest selling games,[5] and it is still one of the most popular GameCube games.[6] This game also made it to Player's Choice.


Hero Story

It begins with a Military helicopter (Sigma-Alpha 2) flying over the city. "Hedgehog captured", the pilot said. Suddenly he starts shouting "What?! The hedgehog is gone! He's taking out everyone aboard!" At that moment, Sonic the Hedgehog jumps out of the helicopter, rips off a piece of the wing to use as a snowboard, and then jumps off. After he destroys a Military Fighter, he encounters a near look-alike of himself named Shadow the Hedgehog who has stolen a Chaos Emerald from the bank a while earlier. Sonic realizes that the military is

Sonic in City Escape.

mistaking him for Shadow. Shadow proceeds to use the emerald to transport to a different location, and Sonic is arrested.

At the same time, Knuckles the Echidna and a mysterious character named Rouge the Bat are fighting over who owns the Master Emerald. Dr. Eggman tries to steal the Master Emerald, but Knuckles stops him in his path by breaking the Master Emerald into pieces. Knuckles and Rouge have a hunt for the pieces of the Master Emerald. Knuckles finds the first three pieces in Wild Canyon.

The next day Miles "Tails" Prower comes to Prison Island in search of Sonic, rescuing Amy Rose from Dr. Eggman in the process. Then Amy frees Sonic from his cell, and Sonic escapes on a missile. Knuckles leaves Wild Canyon, and heads for Pumpkin Hill. There he finds three more pieces of the Master Emerald. Knuckles leaves Pumpkin Hill, and heads for the Aquatic Mine. Meanwhile, Sonic gets weary, jumps off the missile, and lands on a small island in a vast jungle. There he confronts Shadow once again.

He soon discovers the jungle is going to explode and leaves just in time. When they get back, Eggman is on T.V. everywhere and it is revealed he is being taped from the old space colony, ARK. Suddenly half of ARK comes off, revealing a long pointer called the Eclipse Cannon which shoots out a powerful beam and destroys half of the moon. A timer on screen appears saying 24 hours till the destruction of Earth. Later, Tails discovers Space Colony ARK and the massive power of the Eclipse Cannon. He has to find Sonic, tell the President, and escape the military all before it is too late. He eventually finds Sonic, and escapes the military.

Meanwhile, Knuckles finds the last three pieces he can find of the Master Emerald in the Aquatic Mine. He later pops out of a manhole beside Tails, who is talking to Sonic and Amy over a phone on loudspeaker. Tails chases down the President, then he and Sonic tell the President about the situation they are in. Sonic, Knuckles, Tails, and Amy then head for Dr. Eggman's "secret" base inside the pyramid. Sonic breaks through the security system. Knuckles then has to find three keys to get into the rocket room. Knuckles defeats King Boom Boo, the king of ghosts. After that, Dr. Eggman appears and summons the Egg Golem, which Sonic has to take care of. As soon as he is defeated, they blast off in the rocket.

In all the excitement of the space ship, the cargo bay opens releasing the pieces of the Master Emerald Knuckles had collected. Sonic remarks that only the Master Emerald pieces were inside there. Knuckles thinking quickly takes control of the ship causing it to spin out of control. Knuckles jumps ship and lands on a small planet and finds the pieces he lost, leaving Sonic, Tails, and Amy screaming on the ship which then crash lands into the ARK. He defeats Rouge and gets the rest of the Emerald. Meanwhile, in Space Colony ARK, Tails is heading for the engine of the Eclipse Cannon. He destroys the engine, so it's up to Sonic now. Amy gets kidnapped by Eggman and demands the last emerald in exchange. Sonic, who has a fake chaos emerald, makes it to the central control room. Sonic is shot out of an escape capsule that was going to explode in the middle of space.

All Tails, Amy and Eggman can see is a capsule blowing up, so they think Sonic was killed. Tails is so riled up that, in a burst of anger, he defeats the Doctor. Meanwhile, Knuckles (with the full Master Emerald) spots Sonic coming out of a portal. Sonic tells Knuckles how he used Chaos Control to save himself, and speeds to the Eclipse Cannon. Sonic confronts Shadow one last time, and destroys the Eclipse Cannon. Tails, grieving over Sonic's "death", looks out the window and sees Sonic at the tip of the cannon smiling.

Dark Story

It begins with Dr. Eggman infiltrating Prison Island in search of the Ultimate Life Form A.K.A. Project:Shadow, a weapon created by his grandfather, Gerald Robotnik. He finds Shadow and by using a Chaos Emerald (and the password M.A.R.I.A.), he soon discovers that he is a hedgehog. So, he mistakes Shadow the Hedgehog for his enemy Sonic the Hedgehog, and nearly fights him. Then, Shadow proves himself by defeating the military guard fighter. After Shadow defeats him, he leaves, heading for Space Colony ARK and tells Eggman to bring more Chaos Emeralds and meet him on the ARK.

Meanwhile, Rouge the Bat is fighting with Knuckles over who truly owns the Master Emerald. Dr. Eggman uses this to his advantage, and take the Master Emerald. Knuckles stops him by breaking the Master Emerald into pieces. Rouge and Knuckles have to hunt for the pieces of the Master Emerald. Rouge finds three pieces in the Dry Lagoon.


Shadow in Radical Highway.

Later, Dr. Eggman goes to his base to check up on things, and watch the replay of the news. He finds out that the G.U.N. robots are guarding his pyramid base. He destroys them and goes on inside. While he is watching the replay of the news, he discovers that Shadow had stolen a Chaos Emerald from the Federal Reserve Bank yesterday with everyone mistaking him for Sonic. The scene changes to where Shadow is leaving the bank when he has a flashback of what happened on Space Colony ARK with him and his friend Maria Robotnik. He proceeds to speed down the highway, destroying any robot that gets in his way.

He later sees Sonic, explains to Sonic who he is, and leaves. The next day, Rouge decides to infiltrate Dr. Eggman's base. To do so, she has to find three keys. Meanwhile, Dr. Eggman and Shadow are on board the ARK. Shadow tells Eggman about Space Colony ARK and the power of the Eclipse Cannon. He then puts in the two Chaos Emeralds. They returns to the base at the time Rouge finds the last key. Rouge persuades her conditions to Eggman into helping her by giving him a Chaos Emerald, and telling him where three other emeralds were. Before the deal is closed, she introduces herself to Shadow.

Shadow, Dr. Eggman, and Rouge headed for Prison Island, where the three Chaos emeralds are. Dr. Eggman breaks through the security system, and defeats Tails, who happens to be there. Rouge finds the three Chaos emeralds and defeats another Military Fighter. Shadow rushes through the jungle, plants the bomb, finds Sonic, and fights him. It ends in a tie, neither of them win because Shadow has to escape the jungle before it blows up. So he grabs Rouge, and warps onto the ARK.

Later, Eggman is on Television everywhere and it is revealed to all he is being taped from ARK. Half of the station comes off, which reveals a long pointer called the Eclipse Cannon which shoots out a powerful beam, destroying half of the moon. Then, there is a timer on the screen saying 24 hours until the destruction of Earth. At the ARK, Rouge explains that she knows where the location of the last Chaos Emerald is, with Tails. Shadow and Rouge try to catch the Tornado (Tails' plane). Rouge can't catch up in her car, and Shadow can't catch them in Sky Rail. They head back to the ARK to tell Eggman.

By this time, Knuckles has unlocked the entrance to Eggman's base, so Eggman summons his Egg Golem. However, Sonic damages the head of the golem too many times, causing it to turn on Eggman. Eggman has to destroy his Egg Golem to pass. A while later, he and Shadow (who are still on the pyramid) discovers that Sonic and his friends are on the ARK. Rouge soon discovers that Knuckles is on a small planet with the pieces of the Master Emerald. She finds half of the pieces, then they fight. It is a draw and she gives the pieces to Knuckles.


Eggman in Lost Colony

Meanwhile, Eggman has kidnapped Amy Rose. A while later, Eggman discovers Tails, and Sonic goes into the room he was in. Eggman shoots Sonic out of an escape capsule which is going to explode, then he defeats Tails, despite the young fox's best efforts, and takes the real emerald. Meanwhile, Shadow witnesses Rouge attempting to take the other six Emeralds, and exposes her as a government agent. Rouge then proceeds to show him the results of Project Shadow, with the picture showing an entirely different being. She then asks Shadow that if the picture shows the real Ultimate Life Form, then what is standing in front of her? Eggman contacts Shadow, declaring that someone is attempting to get to the Eclipse Cannon, and orders him to stop them before the cannon fires again. Shadow finds it to be none other than Sonic, who he fights and defeats one last time. Meanwhile, Eggman is putting in the last Chaos Emerald. While he is cheering over his "victory", a screen nearby is flashing "DANGER!! DANGER!!" ( or "WARNING!! WARNING!!" in SA2:B)

Last Story

It continues from the Dark Story where the cannon is flashing "DANGER!! DANGER!!" Eggman is puzzled and doesn't know what to do but then he sees his grandfather, Gerald Robotnik, tied to a chair on the screen of the cannon.

Meanwhile, it continues from the Hero Story, where Sonic and Knuckles enter the room Amy and Tails are in, but, then, they hear a rattle and suddenly Rouge comes out of the blue. "You, you haven't give up yet?" Knuckles says. Rouge says that they are all doomed because the Space Colony Ark is heading towards Earth at a tremendous velocity. On T.V. everywhere, including the Ark, Gerald Robotnik is tied to a seat, explaining how the Ark will crash into Earth and destroy it along with the savage humans, with the power of all seven Chaos Emeralds.

Eggman comes in and Knuckles starts yelling at him, thinking that Eggman is behind all of this. But then Eggman gives Rouge his grandfather's diary and Rouge reads it out loud, revealing that the professor went insane after his granddaughter Maria was killed. When the Space Colony ARK was shut down, Maria was killed in the process. Gerald went mad because he loved Maria so much. He wanted to curse all humans, so he made the Eclipse Cannon, and when having enough power, ergo the 7 Chaos Emeralds, would be programmed to make ARK fall to Earth. It is revealed that Gerald made Shadow for good, to benefit man-kind, but Space Colony ARK was destroyed, and as a result, so was project Ultimate Life Form A.K.A. Shadow. He was able to complete his research and finish Shadow, and he says that you may awaken it "if you wish to fill the world with destruction".

The gang has to stop the energy from the Chaos Emeralds to stop the Space Colony ARK from crashing with Earth. They then have a plan to stop the Chaos Emeralds with the Master Emerald. Amy finds Shadow and convinces him to help save the world. Shadow then has a flashback of Maria telling him the same, and launching him out of a shuttle down to Earth, so he wouldn't be destroyed on the ARK. He then takes off saying "I have to go now! I need to keep my promise to Maria...and you."

Sonic and Knuckles are seen at a shrine that looks somewhat like the Shrine of the Chaos Emeralds, with the Chaos Emeralds there. When Sonic and Knuckles try to get closer to the Shrine to stop the Chaos Emeralds with the Master Emerald, Gerald's voice is heard again, and a snake/lizard like beast called the Biolizard is awakened. They realize that this is the prototype of the Ultimate Life Form, Shadow being the finished product. Shadow appears and defeats the Biolizard, while Sonic and Knuckles get to the shrine and find a space for the Master Emerald. Knuckles does the chant to negate the power of the Chaos Emeralds, and the Biolizard Chaos Controls into outer space. They hear Eggman's voice saying that the Biolizard has fused with the Space Colony ARK to become the Finalhazard and is keeping it on its crash course to Earth.

185px-Sa2b 1

Super Shadow fighting the FinalHazard.

Space Colony ARK is no longer being powered by the Chaos Emeralds, but now by the Finalhazard. Sonic and Shadow use the Chaos Emeralds to transform into Super Sonic and Super Shadow, respectively. They fight the Finalhazard in outer space, and just as they are about to stop Space Colony ARK, Maria's voice rings in Shadow's head again about giving people a chance to be happy. Both Sonic and Shadow use Chaos Control to warp the crashing space colony ARK back to its normal place, but Shadow's power is drained and he falls to Earth, realizing that he has fulfilled Maria's request in his "dying" moments. Sonic returns to the ARK alone, giving Rouge Shadow's ring cuff; and everyone reflects on the events that have transpired, wondering what they will do next. As Sonic leaves to return to Earth, he says to himself quietly "Sayonara, Shadow the Hedgehog".

Sonic Adventure 2 and Sonic Adventure differences

For Sonic and Shadow, instead of jumping on a capsule, the end of a stage is cleared when jumping into a giant ring with the word "GOAL" flashing in the middle. Adventure fields do not return in Sonic Adventure 2, but alternate stories come back. This game, though, does not have alternate stories for each character, and 3 characters are in one story, a lot like Sonic Heroes. There is a 2 Player Gameplay, unlike Sonic Adventure. When treasure hunting, the radar telling you how close you are no longer has the color blue as "closer but still not close enough." Tails does not roam around any more without a mechanical system, and always is in the Tornado in its walking-robot mode. Although when roaming around Chao World, both Eggman and Tails run around without their walking robots, and Tails can fly around again, without getting tired. A new action was added to Sonic and Shadow, the somersault. The music to the Speed-Up Shoes and Invincibility Shield are the same musical writing, but with different instruments.



Main article: Biolizard

Biolizard, the Prototype of Ultimate Life Form, is a creature which appears as the second to last, and final, boss; it is also seen briefly in a flashback in Shadow the Hedgehog. The Biolizard appears as a giant and alien looking lizard with a life support system on its back with tubes running down its neck to its head. According to Sonic X, the Biolizard is 85 meters long, 30 meters wide, 19.5 meters tall, and weighs 87.5 tons.Biolizard information card from Sonic X The massive creature can either attack by trying to bite its enemies with crushing jaws, or attempting to hit them with its tail. Biolizard can also generate large black orbs from its mouth, create smaller, but extremely numerous, pink egg-like orbs that it can shoot at a target and manipulate gravity. Additionally, as a product of Project Shadow, the creature can use Chaos Control.

The Biolizard was an earlier version of "Project Shadow", a government project run by Professor Gerald Robotnik that was intended to create an "Ultimate Lifeform" as a first step towards humanity discovering the secret of immortality. Due to the experiments, it later needed a life support system. While the Biolizard was successful in the way that it was could regenerate and restore itself, and could self-reproduce, it was also unruly and dangerous. It was locked away when Gerald, with the aid of the alien Black Doom, produced a more advanced being: Shadow the Hedgehog. The military, on Earth, began to worry and fear about what Robotnik was building on the ARK. When GUN came to Space Colony ARK in order to put a stop to Professor Gerald's plans, they found the Biolizard and captured it. It didn't go down without a fight, however, and it killed almost all of the GUN soldiers.

The Biolizard remained encapsulated aboard the ARK until Doctor Eggman placed the seven Chaos Emeralds into the Eclipse Cannon. This initiated a hidden program by Gerald, that would use the Emeralds to power the ARK into a doomsday causing collision with the planet below. The program released the Biolizard to defend the Armageddon plan from tampering by the combined forces of Eggman, Sonic the Hedgehog and friends. But Amy Rose had convinced Shadow to help save the Earth, and he engaged and defeated the giant reptile in battle by damaging its Life Support System. Knuckles rushed in afterwards and used the Master Emerald to negate the power of the Chaos Emeralds, supposedly putting a halt to the collision course. However, the Biolizard then used Chaos Control to teleport outside and fuse with the space station itself, becoming the Finalhazard. Its body mounted on the eclipse cannon, it continued the rush towards Earth by pulling it there itself. As Finalhazard it attacks with the pink orbs and firing out energy beams from its damaged Life Support System. It was, however, weakened by the loss of its Life Support System, revealing slight weak points on its body, and was killed by the combined power of Sonic and Shadow in super form. Together, Sonic and Shadow then used Chaos Control to place the ARK back into orbit, ending the collision course and saving the planet. If an Action Replay code is used, it is easy to ignore the Finalhazard, and the screen will start to get red. This means it's entering the atmosphere. Sonic's friends and Eggman tell the player when the colony will enter the atmosphere.

King Boom Boo

Main article: King Boom Boo

King Boom Boo is the king of all ghosts. He has ghost powers, but he and his ghost minions can lose power because of the sun. If they are touched by the sun's light, they become weaker and open to attacks. When they're not in contact with sun light, they become stronger and gain powers. His powers include throwing plasma balls and shooting a plasma beam from his mouth. He will also attempt to bite the player at close range. He was defeated by Knuckles at the Death Chamber in Sonic Adventure 2 as a boss. His name (and to some extent, his appearance) are reminiscent of Nintendo's King Boo.

He appears on an episode of Sonic X, haunting an old mansion with his minions but doesn't appear in the series' adaption of this game.

Egg Golem

Main article: Egg Golem

The Egg Golem is a boss character appearing in Sonic Adventure 2. After Knuckles the Echidna defeats King Boom Boo, Eggman appears and summons a giant animated statue called the Egg Golem to battle Sonic. To defeat the Egg Golem, Sonic must run to his back, jump across the platforms that stick out, and attack the Golem's control mechanism atop its head.

In the Dark Story, Sonic immediately jumps up and kicks the control mechanism, causing the Egg Golem to go haywire and attack Eggman. In order to defeat it, Eggman has to use his Volkan Cannon to destroy its internal power generators. Once all three of them are destroyed, the Egg Golem becomes disabled and sinks down into the quicksand.

According to an eyecatcher card from Sonic X, The Egg Golem is 57 Metres tall and weighs 250 tons Egg Golem information card from Sonic X. The Egg Golem fights by smashing its hands and head against the circular platform that Sonic or Eggman are standing on. It can also create an electrical field around itself to repel attacks, or spin its arms around itself to sweep enemies off the platform.

The Egg Golem also appeared in the Sonic X adaption of Sonic Adventure 2. It was remotely controlled by Bokkun who used it to fight Sonic and Knuckles. The two heroes had a hard time with the golem, but eventually Cream the Rabbit stole the remote control from Bokkun just after he took Agent Topaz hostage, and made the Egg Golem chase Bokkun into the desert. It later appeared standing on top of Doctor Eggman's pyramid during Super Sonic and Super Shadow's fight against the Finalhazard, with Bokkun standing on its head.

A similar character was also used in the game Sonic & Knuckles as the first act boss in the Sandopolis Zone. Like the Egg Golem it was an animated statue, vulnerable only on its head, and although it was not named, it may have been a partial inspiration for the later character. It is also unknown if it was recycled from the scrapped Egg Golem-type boss in Sonic X-Treme.

Voice actors

Role English Voice Actor Japanese Voice Actor
Sonic the Hedgehog Ryan Drummond Junichi Kanemaru
Miles "Tails" Prower Connor Bringas Atsuki Murata
Knuckles the Echidna Scott Dreier Nobutoshi Canna

Amy Rose

Jennifer Douillard Taeko Kawata
Shadow the Hedgehog David Humphrey Kōji Yusa
Rouge the Bat/Omochao Lani Minella Rumi Ochiai
Dr. Eggman Deem Bristow Chikao Ōtsuka
Maria Robotnik Shelly Fox Yuri Shiratori
Professor Gerald Robotnik Marc Biagi Chikao Ōtsuka
Chao Tomoko Sasaki
The President Steve Broadie Kinryū Arimoto
G.U.N. Soldiers Tōru Ōkawa
Kōji Ochiai
Others credited Moriah Angeline
Sue Wakefield

Sonic Adventure 2: Battle

Sonic Adventure 2: Battle is the enhanced port for GameCube.

Version differences

  • A Black Market has been added to the Chao Kindergarten. It was originally a limited feature of the website.
  • Big the Cat's cameos have been removed from the stages. He is also replaced by a Dark Chao in the multiplayer mode. However, he can still be seen in cutscenes, but only on Dark Side and Final Story.
  • Amy Rose, Chao, Tikal, Metal Sonic, Dark Chao Walker and Chaos 0 are now available at the start of the multiplayer mode and have their own movesets. The 2P Mode also has more stages and settings, and alternate costumes now give the character slightly different attributes.
  • Tails and Eggman's lock-on power now utilizes a faster system able to lock-on every 8 frames which was previously every 12 frames on the Dreamcast.
  • The first frame of Knuckles' Spiral Upper attack, and Rouge's Screw Kick, has roughly double the reach on Dreamcast. This was removed in the GameCube version, leaving it with only the same reach as the rest of the move. Additionally, a few more objects were given immunity to those moves, most notably the safes around the perimeter of Security Hall.
  • Chao Karate has been added to the Chao Stadium. The A-Life system has also been slightly enhanced.
  • The unlockable costumes for Sonic, Shadow, Knuckles, Rouge, and Eggman have changed somewhat.
  • The VMU game Chao Adventure 2 has been replaced by the Tiny Chao Garden, available via GBA connection.
  • Some of the games graphics have been touched up while others were downgraded. The main characters have minor enhancements, but lighting effects and enemy models have been noticeably downgraded. Inexplicably, some of the writing on the mechs has vanished as well.
    • For example, in the Dreamcast version, many of the G.U.N. robots have blue fiery jets to keep them floating/moving; in the GameCube version, however, all that's left are the jet nozzles.
    • Also in levels where lighting would pulse down the screen like in Egg Quarters, when you encounter the Egg Beetles, and Iron Gate when a security sector has been breached, the lights no longer pulse.
  • The intro is different showing the six main characters instead of just showing outer space with the game's logo.
  • The title screen and the main menu screen are different.
  • Some posters in the stages have been changed or rearranged.
  • In the GameCube version of the cutscene where Sonic and Shadow meet for the first time, the police officers' voices are cut off short and over lap each other. In the Dreamcast version of the cutscene, the police officers shout at Sonic in full sentences.
  • The Chao Gardens were a little bit bigger in Dreamcast version. The Dark Chao Garden in particular has changed, having removed the blood-red water and cave, as well as a ramp leading up to another tomb stone in the original release.
  • The Dreamcast version had the "Download Event" mode where the player could download various events.
  • A Halloween and Christmas theme could be set for the background and outfits for the characters in the Dreamcast version. This was removed from the GameCube version.
  • The Knuckles segment of the final level, Cannon's Core, is made easier due to boxes being placed in the areas where he get air bubbles. When Knuckles takes in an air bubble he sinks a few inches. In the original version, taking in air would make him sink and touch the hazardous ground and take damage or lose a life. Because of the boxes in the GameCube version, Knuckles can take in the air bubbles without getting hurt.
  • In the Dreamcast version, the characters had about three unlockable costumes. In the GameCube version, each character only has one costume.
  • Some of the cutscenes have been altered slightly, either with camera angles or when dialogue has been said. The most notable is the first cutscene between Knuckles and Rouge - she has a different camera angle when she looks up at Eggman, and she screams at a different time when the Master Emerald is broken (overlapping Eggman's quiet exclamation). Her mouth just gapes open with no sound coming out.
  • When the President is speaking to Eggman, there seems to be a lag issue between their conversation on Eggman's screen showing several arm movements at one time.
  • In the Dreamcast version, Metal Sonic had Shadow's attacks Chaos Spear and Chaos Control. This was removed in the Gamecube version for an unknown reason.
  • In the Dreamcast version, Chaos had Rouge's poses and attacks. This was also replaced in the Gamecube version by more realistic attacks and poses that Chaos would have.
  • In the Dreamcast version, the extra characters had no voices whatsoever, except Amy. In the Gamecube version, Tikal is given a voice and Metal Sonic, Chaos, and the Neutral and Dark Chaos are given sound effects.

PlayStation 3/Xbox 360 port

  • The game has been remastered in 16:9 HD using the GameCube version's assets.
  • All of Big the Cat's cameos return in the port, except for his appearance in Wild Canyon due to a programming oversight.
  • Information on an Xbox Live Arcade version of the game was leaked on, and then quickly removed, listing 10 screenshots, features such as offline multiplayer modes, DLC, leaderboards, and a possible release date of October 3, 2012. The re-release was officially announced during the Sonic Boom 2012 event in San Diego. A trailer was shown confirming a PlayStation Network version is also going to be available.
  • "Battle Mode" DLC- This downloadable content features more maps and characters than appeared in the original Dreamcast release (appeared in Battle version), including the Chao Karate mode. Downloading this simply unlocks the Dark Chao Walker that was already replacing Big in the HD versions of Sonic Adventure 2.
  • The game itself costs $9.00/£6.49/800 Microsoft Points, while the DLC costs £1.79/$3.00/240 Microsoft Points.
  • All of the billboards with SOAP on them have been removed and replaced with other Sonic Team billboard assets (this is most likely due to licensing issues).
  • Some of the character's life count sprites have been changed. For example, Sonic's sprite is now a more side view of him compared to the original icon.
  • There was an error when you selected the game on XBLA, so for the first day of release, many people were not able to download the game or the trial; this could be circumvented by logging onto and selecting the game's downloads from its page.
  • Omochao appears in the loading screen giving hints and tips (a Sonic Generations model of Omochao is used). This only occurs in the Xbox 360 version; the PlayStation 3 port skips that screen.
  • The Cross on the Health Packs has been removed and changed to the Letter "H"
  • The GBA in the Chao Garden that was used to transfer Chao has been changed to a machine shaped like a Chao's head, with the only function to release Chao.

The Dreamcast version is known for its infamous commercial which shows a scientist approaching a hedgehog labeled "Good Hedgehog" and petting it. The camera then goes to a tank labeled "Bad Hedgehog" where a cow is being lowered in. Eating sounds could be heard along with screams from the cow until the screen goes back to the bad hedgehog burping (this is a parody of a scene from Jurassic Park). The GameCube version's advertisement shows several real life hedgehogs being trained to take on the roles of Sonic and Shadow in the game.


Three original soundtracks were released for Sonic Adventure 2: the vocal album called Sonic Adventure 2 Vocal Collection: Cuts Unleashed; the score called Multi-Dimensional Sonic Adventure 2 Original Sound Track; and, in North America, the Sonic Adventure 2 Official Soundtrack. Additionally, one of the major theme songs of this soundtrack made it into Sonic and the Black Knight.


  • In the first cutscene when Sonic jumps out of the helicopter (Dreamcast only) Sonic the Hedgehog is wearing his most regular shoes, not the Soap Shoes.
  • In the "Good Hedgehog, Evil Hedgehog" TV commercial, the "Evil Hedgehog" section is a spoof of Jurassic Park, as the "Evil Hedgehog" ate the cow as it was lowered, similiar to how the Velociraptor ate the cow in Jurassic Park.
  • Sonic Adventure 2 is the only game where Sonic wears Soap shoes in order to promote the product and the new extreme sport, freestyle grinding, that the shoes were made for. There are also many billboards, blimps, and benches in the game that advertised the shoes. Sonic himself wore a custom version of the Scorcher/Nitro Soap Shoe, while Shadow wears a pair of custom Broadside Soap shoes, as grinding (or "soaping") debuted as an important new gameplay element. Also for some reason, Sonic uses shoes similar to the Soap shoes in one of the episodes of season 3 for Sonic X, on that episode, Chris launches a capsule with the shoes to Sonic, who then proceeds to grinding on a vine. Grinding on a vine has also been seen in Sonic Heroes, at the beginning of the Frog Forest stage.
  • This is one of the first non spin-off games where Dr. Eggman is playable.
  • Ever since grinding has been introduced in Sonic Adventure 2, almost every Sonic game after it has grinding as a core gameplay element as well. Additional characters like Tails, Knuckles, and Rouge who couldn't grind in this game learned how to later. Everyone also learned to grind with their normal shoes as Soap Shoes are never used again.
  • This is one of the two games in which Eggman points a gun at someone (the other being Sonic Riders).
  • This is one of the few Sonic games where Sonic never fights Dr. Eggman directly.
  • In the game, Eggman blows up half of the moon, but in later games, the moon is perfectly intact. Also, the Earth doesn't appear to have any gravitational stress by the destruction of half of the moon.
  • In the Dreamcast version, in the cutscene before the level City Escape, Sonic’s model has his original shoes when he escapes from the helicopter, but when he jumps off of the helicopter's wing he was somehow wearing the Soap shoes.
  • All of the background music for Knuckles' stages have a sung track rather than just music (the only stage that does not have this is during Knuckles' part in Cannon's Core level). The only other levels with vocals (aside from the final boss) are City Escape, White Jungle, and Final Chase.
  • In the cutscene mentioned above, the pilot of the helicopter identifies himself in military talk as "Sigma-Alpha 2", which translates from Greek as "SA2," the game's initials.
  • When using Sonic's bounce attack, if the player pauses the game and removes the pause menu with X and Y he or she can see Sonic's normal red shoes in his slightly blurry ball animation.
  • Shadow was originally going to die in the last story, but his reception from fans caused him to be brought back for Sonic Heroes.
  • Not counting SEGA Smash Pack, this is the last Sonic game on a SEGA console since SEGA eventually withdrew from the console market after the release of this game.
  • There is some unused dialogue in the game, including some Omochao quotes.
    • Some of the deleted clips were brought back in the GameCube (Battle) version, however, as an easter egg if Sonic or Shadow carries Omochao to the goal ring.
  • The G.U.N. Beetles look very similar to the Egg Flyer enemies from Sonic the Hedgehog (2006).
  • If one were to go to the Theme Select in the Options menu and rotate the Control Stick clockwise for a few moments until hearing a chime sound, they would then see a picture of the President's Secretary and should then be able to select the Secretary's theme.
  • Green Hill Zone returns as an unlockable stage, which marks its big comeback in recent Sonic games, as it had not been seen for several years. Also, the stage's background music is a remixed version of the original song, and when Sonic destroys an enemy (which are the first Badniks instead of G.U.N. robots), the same sound effects from the original game are played instead of the new sound effects.
  • In the GameCube version, when pausing, pressing and holding the Y and X buttons at the Pause Menu will make it disappear, giving the player a clear view of the screen.
  • In the Mad Space level for Rouge, there are two Easter Eggs. First, go under the starting platform to its base, and kick open the iron box where you will find a blue defense item container from the Dreamcast game Phantasy Star Online: Episode I & II. Also, go to the outlying platform with a circle of rings and two iron boxes. Kick open the nearest iron box and you will see a green medical/technique item container from the same aforementioned RPG. However, neither items do anything or have any significance to the level.
  • In the Chao Garden, there's a glitch that makes it possible to reuse an animal from the Action Stages multiple times on a single chao. While holding your animal, go as close to your Chao as possible without giving it the animal. Then simply drop the animal in front of your chao and, if done correctly, the chao will not only do the level up animation, but its stats will go up as if you actually handed the animal to the Chao, only now you can pick the animal up again. This can also be done with Chaos Drives and can be used to quickly raise your chao's stats. This glitch is present in both the Dreamcast and GameCube versions.
  • Also in the Chao Garden, one of the shows shown on the garden's little TV (achieved by winning all Challenge Races), features a big, mustached, orange cat (Robotnik) chasing a speedy, little blue mouse (Sonic). This is a spoof of the classic cartoon show, Tom & Jerry.
  • In the first cutscene of the "Last Story" when Gerald Robotnik's message was sent around the world, in the area where Eggman had one of his hidden bases and also the place where the Arabs were seen (Jerusalem or just the Middle East), in the background something that greatly resembles the holy Islamic building (mosque) called the "Dome of the Rock" can be seen.
  • Tails wasn't originally planned to be in the game as a playable character just like Rouge and Shadow, as the three were later made with the gameplay of their counterparts Eggman, Knuckles, and Sonic respectively. But they were added near the end of the game's production, which is why Tails was not shown in any trailers. All of Tails' levels revolve around the events that are taken place in the story of the game, like chasing after the President, infiltrating Prison Island and Eggman's base.
  • Shadow was originally going to be named "Terios" ('reflection of'), and Rouge was going to be "Nails" (in direct contrast to Knuckles).
  • In both versions, the in-game screenshots appearing in the Tutorial and Credits are all from the Dreamcast version. While some noticeable differences such as the different-colored select button, the treasure hunting exclamation point and the controller graphic were added, you can see there aren't any new GameCube screenshots due to some Dreamcast-only things appearing, such as the altered posters in the background of City Escape or the writing on the mechs (most clearly the Eggman insignia and "IVO" on the back vanished in the GameCube version, but it still exists in the screens). This is an oversight on the developers' part. A similar mistake occurred in Sonic Adventure DX, in which one of the buttons in one of the character instructions was that of the Dreamcast version rather than the GameCube one.
  • Strangely, SA2 has three different versions of bats. The first is the anthropomorphic bat, Rouge. The second is the small animal bat, used for chao raising. And the third, is a more realistic bat, found flying in groups inside Death Chamber.
  • In the Metal Harbor stage, when reaching the missile section, an announcement will alert Sonic that there is going to be a "Missile launch in 15 seconds." In the Japanese version, the announcement is the same recorded audio still in English.
  • In the Dark Story, Sonic will jump and kick the Egg Golem in the head. While doing this, he says "Teriiiaaaaaa!!". In the Japanese version, Sonic says the same thing but it's longer. This could be a reference to Shadow's original name while Sonic Adventure 2 was still in development.
  • In the Chao Garden, some characters will say Japanese lines (mostly Tails and Eggman). Also, the chao in the Chao Kindergarten sing songs in Japanese.
  • Unlike most games, the characters go through the same locations, but at different times. For example, Shadow's Sky Rail stage is in the same mountain region as Knuckles' Pumpkin Hill stage but is played during the day not at night like Knuckles.
  • In the original Dreamcast version of the game, if you insert the disk into a PC then special wallpapers will be available to download as an easter egg. As well as that, there is a list of main series Sonic Games prior to Sonic Adventure 2, although Sonic CD is absent from the list. It reads:
SONIC the Hedgehog, 1991
SONIC the Hedgehog 2, 1992
SONIC the Hedgehog 3, 1994
SONIC Adventure (for Japan), 1998
SONIC Adventure, 1999
SONIC Adventure International, 1999
SONIC Adventure 2 The Trial, 2000.
  • In the English GameCube version of the game, voices tend to overlap each other and are even cut off which causes much confusion. In the English Dreamcast version and both Japanese versions however, the voices never overlap or are cut off. This is a development issue on the Gamecube's part.
  • In stages like Radical Highway, the billboard sign Got Milk? is promoted to say Got Ring?
  • Although the Master Emerald was destroyed, neither Tikal nor Chaos were seen escaping like they did in Sonic Adventure. They are released but don't appear right away until the player unlocks them for Multiplayer Mode (Dreamcast). In the Gamecube they are unlocked from the start.
  • The camera can be used to move objects in the game. This is most noticeable in the Chao Garden if you have a fruit in front of the camera and the player walks away from it. The same thing can be done in the Chao Garden in Sonic Adventure.
  • This is the first game in the Sonic series where any character swears. In the first cutscene of the demo version, before the player enters City Escape, the man on the radio can be heard swearing in Japanese. He says, "What the Hell?" In the final release, the English voice actor instead says, "What?!"
  • This is the only game so far where Gerald Robotnik is a villain.
  • Sonic Adventure 2: Battle was supposed to be released for the PlayStation 2 but it was later cancelled.
  • This is also one of the only two games that features the Space Colony ARK, the other one being Shadow the Hedgehog.
  • In the City Escape level, there is a scene where Sonic is being chased by a G.U.N. truck, similar to how Sonic was chased by an orca in the Emerald Coast level in Sonic Adventure.

Sonic being chased by a truck.

  • In the cutscenes featuring space on both Sonic Colors and Sonic Unleashed, the Space Colony ARK was not shown.
  • There are cameo appearances in several Chao. The Sonic and Shadow Chao are easily obtained, as well as a NiGHTS and Reala (from NiGHTS) one. However, there are special Tails, Amy, and Knuckles Chao as well.
  • Some of the characters' theme songs are based on their Sonic Adventure songs, most notably Sonic and Tails', and Amy's theme song is exactly the same.
  • This game's port is the first Sonic game for a Nintendo home console.
  • Shadow has the least amount of stages out of all the characters, with only 4 (Radical Highway, Sky Rail, White Jungle, and Final Chase).
  • The "Chao in Space 2" movie billboard as well as the billboard advertising for the DVD Edition of "Chao in Space" in City Escape refers to the "Chao in Space" movie billboard near the entrance of Casinopolis in Sonic Adventure.
  • In the Dreamcast version of the game it had Big in multiplayer battle mode he rode in Eggman's Walker, but was replaced by Dark Chao Walker in the GameCube remake.
  • In Sonic Generations, Shadow is Sonic's rival. During the opening cutscene, it is a reference to the Sonic Adventure 2: Battle opening, and during the fight, a remix of for True Story plays, and if Sonic grabs 2 or 3 power cores depending on the difficulty, Live and Learn plays for a brief time.
  • City Escape returns in the console versions of Sonic Generations, as the fifth level in the game, in the Dreamcast Era.
  • Radical Highway returns in the 3DS version of Sonic Generations. Oddly enough, Sonic has never been comfirmed to've visited Radical Highway before Sonic Generations.
  • You have the option to play Live and Learn, Metal Harbor and Green Forest as background music in Sonic Generations.
  • In the Hub World in Sonic Generations, when in the Egg Dragoon section of the hub, a remix of E.G.G.M.A.N plays.
  • It is hard to notice it, but in the Final Story when Shadow says " I promised her" after his flashback, he turned his head a little to the left and tear was shed on his cheek and then disappeared with a diamond shine.
  • Tails is the only one who doesn't fight a major boss besides Eggman.
  • It should be noted that many Dreamcast and GameCube emulators have trouble rendering the shadow of the boss King Boom Boo, making the boss unbeatable. Emulator users can bypass this by downloading and booting a save game that had already beaten the boss.
  • In the cutscene before Lost Colony, at the end (in the GameCube version), Shadow makes an error by saying: "Let's go Maria." instead of saying: "let's go Rouge."
  • As Dr. Eggman can be played on foot at the Chao world, this game marks the first (and so far, only) game that allows playing as Eggman without any mech or vehicle.
  • All of Big the Cat's cameos return in the HD port, minus his appearance in Wild Canyon.
  • Sonic Adventure 2's city is based on San Francisco
  • The 3DS port of Sonic Generations has Sonic fight the Biolizard.
    • Oddly enough, Sonic never fought Biolizard in Sonic Adventure 2.
  • Tails and Eggman's gameplay were the same from E-102 Gamma from the Sonic Adventure except for the health and timer.
  • Every time you finish a story except the last one, a preview for the alternative story or Last Story is shown. For example: If you beat Hero Story before Dark Story, a preview for Dark Story will be shown, and vice-versa. However, if you beat Hero Story THEN Dark Story and vice-versa, you will instead get a Last Story preview. All 3 of them are done in a creepy way at the end.


thumb|left|293px|US commercial thumb|right|300px|Japanese commercial thumb|300px|left|Sonic Adventure 2 Battle commercial

File:PS3・Xbox 360用 ソニックアドベンチャー2 プロモーションムービー


For more, please go here: Sonic Adventure 2/Gallery

2D Artwork




PS3/Xbox 360 Port


External links

Sonic the Hedgehog console main series games

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