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Big Arm is the boss of the Classic Era and the first boss of the Nintendo 3DS version of Sonic Generations. It can be fought with Classic Sonic after defeating Metal Sonic at Boss Gate 1.

Boss guide[]

During the first phase of the battle, Big Arm mostly attacks by aiming and launching its punch at the player. However, it is easy to avoid getting hit by it. By the time it is launching its fist, it will lower its cockpit, giving the player the opportunity to hit the downward part of its cockpit twice; one before it embarks its punch attack, and another after the punch is embarked. If the player fails to use these opportunities to deliver an attack on it, Big Arm will land aground and use its rocket to dash and hurt the player from the left to right and vice versa. After that, the Big Arm will return immediately to smack the player with its fist.

After four percent of its Health Gauge are depleted, Big Arm will change its pattern of attacks, initiating the second phase of the battle. Firstly, it protrudes spikes on its arms and will try to punch Sonic from the edges and center of the arena. After that, it will appear from one of the sides and attempt to catch and toss Sonic into the ground, causing the player to lose Rings. When this happens, the player has to jump to the other side behind Big Arm and move quickly toward it to damage the lower part of the cockpit using the Spin Attack. Continue using this opportunity to attack Big Arm will help the player finish the battle.

It takes eight hits to defeat Big Arm.

Missions[]

  • 1-Ring Boss: Defeat Big Arm in 3:00:00 with 1 ring!

Ranks[]

Rank Time
S Rank (Sonic Generations Console)
0:00.00 - 1:00.00
A Rank (Sonic Generations Console)
1:00.01 - 1:30.00
B Rank (Sonic Generations Console)
1:30.01 - 1:40.00
C Rank (Sonic Generations Console)
1:40.01 - 2:00.00
D Rank (Sonic Generations Console)
2:00.01 - 9:59.99

Music[]

Name Artist(s) Length Music track
"Boss Battle: Big Arms" Cash Cash 3:37

Video[]


Trivia[]

  • While battling this boss, the music was originally going to be a rock remix of the theme heard in the The Doomsday Zone. This remix was only used in the E3 2011 version of the demo, as in the Gamescom 2011 demo it was replaced by a remix of its original theme; the final boss theme from Sonic the Hedgehog 3.
  • Big Arm was the very first boss that Sega confirmed would appear in Sonic Generations.
  • Big Arm is the only boss in the Nintendo 3DS version of Sonic Generations that, on its original version, Sonic truly fought on his own. Sonic faced the Biolizard with Shadow when it was in its final form, and he faced the Egg Emperor with Tails and Knuckles.
  • Oddly, Dr. Eggman is blacked out in the level select screen and the cutscene, but he is visible in the boss fight if the player increases the brightness to 5.
  • There is a glitch where Big Arm will be stuck charging up his punch; it will still follow the player around, and it will play the charging up animation, but it will never bring the punch down, and it is too high to be hit, as shown here and here. The only solution is to exit the battle.

See also[]


Main article | Script | Staff | Beta elements | Gallery
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