Game Achievements:

• All Multiplayer - Play all four multiplayer zones. (5 Gamerpoints)
• Casino - Get to the Casino Night Zone. (10 Gamerpoints)
• Chaos Emerald - Get one Chaos Emerald. (10 Gamerpoints)
• Chaos Master - Get all the Chaos Emeralds. (40 Gamerpoints)
• Conquering Time - Beat the game in under an hour. (10 Gamerpoints)
• Emerald Hill - Clear the Emerald Hill Zone 1. (5 Gamerpoints)
• Extended Super - Stay in Super Sonic mode for one minute. (20 Gamerpoints)
• Fast Chemical - Beat Chemical Plant Zone 1 in under 45 seconds. (20 Gamerpoints)
• Fast Emerald - Beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode. (15 Gamerpoints)
• Super Sonic - Become Super Sonic. (20 Gamerpoints)
• Win - Beat the game. (35 Gamerpoints)
• Xbox Live Racer - Win 10 versus zones on Xbox Live. (10 Gamerpoints)