Achievements:
Complete the following achievements to award the indicated amount
of Xbox Live Gamerscore points.
Xbox Live Racer (10 gamerscore points):
Win 10 versus zones on Xbox Live.
Super Sonic (20 gamerscore points):
Become Super Sonic.
Fast Emerald (15 gamerscore points):
Clear Emerald Hill Zone 1 in less than 35 seconds in single-player or co-op mode.
Fast Chemical (20 gamerscore points):
Clear Chemical Plant Zone 1 in less than 45 seconds.
Extended Super (20 gamerscore points):
Stay in Super Sonic mode for 60 seconds.
Emerald Hill (5 gamerscore points):
Clear the Emerald Hill Zone 1.
Conquering Time (10 gamerscore points):
Complete the game in less than an hour.
Chaos Master (40 gamerscore points):
Obtain all the Chaos Emeralds.
Chaos Emerald (10 gamerscore points):
Obtain one Chaos Emerald.
Casino (10 gamerscore points):
Get to the Casino Night Zone.
All Multiplayer (5 gamerscore points):
Play all four multiplayer zones.
Win (35 gamerscore points):
Finish the entire game.
