Complete the following achievements to unlock Xbox Live Gamerscore points.
Emerald Hill 5 points: Clear the Emerald Hill Zone 1.
Fast Emerald 15 points: Beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode.
Fast Chemical 20 points: Beat Chemical Plant Zone 1 in under 45 seconds.
Casino 10 points: Get to the Casino Night Zone.
Super Sonic 20 points: Become Super Sonic.
Extended Super 20 points: Stay in Super Sonic mode for one minute.
Chaos Emerald 10 points: Get one Chaos Emerald.
Chaos Master 40 points: Get all the Chaos Emeralds.
Conquering Time 10 points: Beat the game in under an hour.
All Multiplayer 5 points: Play all four multiplayer zones.
Xbox Live Racer 10 points: Win 10 versus zones on Xbox Live.
Win 35 points: complete the game.
September 3, 2007 - 7:03am