This game is a sonic reuinion. Sonic,Egg Man,Knuckles and more are in this game. This is a 2 player game. In 2 player mode you can have a quickrace, or deathmatch.In single player mode you can play deathmatch,quickrace, and champianship which is where you play the real game. If you buy this game you should return it if you can. INFO FOR PS2