Sonic Rivals 2 - Essentials (PSP)

Battle Mode: players will 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 will easily access the Multiplayer challenge with just a single disc using the wireless function.
Intriguing New Storyline: the Chao seem to be disappearing and all eight rivals must work fast to find out who is behind it.
Three New Playable Characters: Miles "Tails" Prower and two other new characters round out the cast of eight rivals.
Free Play Mode: free from rivalry, the player can experience the challenging old-school Sonic-style map at their own pace!
Expanded Card Collection: players can now collect 150 new cards for loads of new options to customize their playable characters.

• 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 PlayableCharacters - 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