Sonic Adventure 2: Battle

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Title Screen

Sonic Adventure 2: Battle

Developer: Sonic Team USA
Publisher: Sega
Platform: GameCube
Released in JP: December 20, 2001
Released in US: February 11, 2002
Released in EU: May 3, 2002

AreasIcon.png This game has unused areas.
DebugIcon.png This game has debugging material.

Sonic Adventure 2: Battle was the first Sonic game for the GameCube, as well as the first official Sonic game on a Nintendo console. A port of Sonic Adventure 2, it stayed true to its predecessor while providing new features such as two-player mode and, for the most part, upgraded graphics. One thing it didn't fix was the cut-off dialogue.


Test Level

Using the (NTSC) Action Replay code 80U8-7RHQ-W728R H2E9-MAE2-U5PEE, one can access a test level. It contains several features including slope tests, pits, doorway/roll tests, an interactive test object, and a grinding rail.

However, there is a way to access this level in-game without any hacking as well, as can be seen in this video.

Debug Mode

SA2B Debug 1.png

The (NTSC) Action Replay code 9E7F-943M-6ACEJ QTG9-MTTU-ABNMK lets you access a debug mode that, when triggered, displays debug info on the bottom portion of the screen.

Playable Super Sonic and Super Shadow in 2P Mode

Why Sega...

At some point during development, Sonic and Shadow in their super forms were going to be either be alternate switched forms (like the unlockable skins) or treated as separate selectable characters for 2P Mode. Images for their names written in the stylized font are still in the disc and both use the description of "Powered by the 7 Chaos Emeralds. Amazing speed and moves but dies if rings are lost".

For some reason (yet again), they were pulled from the game.

Big the Cat Cameo Swap Oddity

Sonic Adventure 2 had various cameos of Big the Cat, which was a playable character in the previous game, Sonic Adventure. However, when the game was ported to the Gamecube, it was ported before the original Sonic Adventure, for some reason. The people who ported the game thought this would be a confusing, if not creepy, cameo for that reason, even though the first Sonic Adventure was already out, just not on Gamecube. So, Big the Cat cameos were taken out completely in the levels, leaving his cutscene cameos if the player presses A and B during the cutscene. But, some locations in the levels placed a ring in his place. Sometimes, this ring is also unobtainable, with no attempt to make it obtainable. The video outlines every appearance of Big and whether there's a ring in his spot or not in the Gamecube version. The placement of this ring doesn't seem to have a consistency, and there's no indication that they exist.