Features:

• Battle Mode - Players select from six ways to thrash their rival buddies: Knockout, Ring Battle, Race, King of the Hill, Capture the Chao, and Tag Single-Disc.
• Game Sharing - Two players can easily access the multiplayer challenge with just a single disc using the Wi-Fi function Intriguing.
• New Storyline - The Chao seem to be disappearing and all eight rivals must work fast to find out who is behind it.
• New Playable Characters - Join Tails and two new characters for even more fast-paced action with your rivals.
• Free Play Mode - Free from rivalry, experience the challenging old-school Sonic-style map at your own pace.
• Expanded Card Collection - Collect 150 new cards for loads of new options to customise your playable characters.