Complete the following achievements to unlock Xbox Live Gamerscore points.

Achievement	How to unlock
All Multiplayer ( 5 points )	Play all four multiplayer zones.
Casino ( 10 points )	Get to the Casino Night Zone.
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.
Emerald Hill ( 5 points )	Clear the Emerald Hill Zone 1.
Extended Super ( 20 points )	Stay in Super Sonic mode for one minute.
Fast Chemical ( 20 points )	Beat Chemical Plant Zone 1 in under 45 seconds.
Fast Emerald ( 15 points )	Beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode.
Super Sonic ( 20 points )	Become Super Sonic.
Win ( 35 points )	complete the game.
Xbox Live Racer ( 10 points )	Win 10 versus zones on Xbox Live.