online multiplayer & local co-op modes - 12 players per race, 4 player split screen, & various offline/online race modes including grand prix mode, exhibition mode, time-trial, & team adventure mode. team racing - race as a team, win as a team. use various team moves to assist your teammates, knock out opponents and unleash your team ultimate. wisps - 14 spectacular offensive and defensive items to help overcome rival teams and get ahead! adventure mode - unique story experience where players are introduced to basic game features and characters. various characters and classes - 15 playable characters from across the sonic universe and 3 distinct character types including speed, technique, and power classes.