Sonic Adventure 2: Battle

 is an action-adventure game developed by Sonic Team USA and released by Sega in Japan on December 20, 2001, in North America on February 11, 2002 and in PAL regions on May 3, 2002 for the Nintendo Gamecube. It's a port of Sonic Adventure 2.

The game features the Tiny Chao Garden, gaame mode that allows to hatch and breed Chaos. Some of them were not available during normal gameplay, requiring interaction with other games, a promotional DVD only available as part of enterprise bundle or were distributed during special Nintendo events.

Distribution methods that are usually not covered by this wiki are included for completeness.

How to unlock

 * 1) Start the Nintendo GameCube Software e-Catalog (Summer 2003) promo DVD go to the “Joi Kyarii” tab. Here three games can be downloaded on the Nintendo Game Boy Advance (Puyo Puyo with Everyone, Chu Chu Rocket and Tiny Chao Garden).
 * 2) After selecting Tiny Chao Garden, the player is prompted to select one of three Chao to put in the garden.
 * 3) Choosing the Chao, a loading screen will appear during the download process.
 * 4) The Chao then can be downloaded back to Sonic Adventure 2: Battle or Sonic Adventure DX, along with 1000 Rings.