Sonic Adventure 2: Battle is an enhanced version of Sonic Adventure 2 released for the GameCube. It features improved graphics and introduces new multiplayer modes, including Kart Racing, Hunting, and Chao Karate. Players can also develop their Chao characters and transfer them to the Game Boy Advance title Sonic Advance for additional training opportunities.
Sonic Adventure 2: Battle is a complete conversion of Sonic Adventure 2 from the Dreamcast with additional features. Exclusive to the Gamecube are improved visuals, new 2 player battle games (including Kart Racing, Hunting and Chao Karate) and the ability to grow your Chao and exchange them to the Game Boy Advance game Sonic Advance for portable training.