Chaos Master
You got all the Chaos Emeralds.
40 ✓ October 7th, 2009
Win
You beat the game.
35 ✓ October 24th, 2007
Super Sonic
You became Super Sonic.
20 ✓ October 7th, 2009
Extended Super
You stayed in Super Sonic mode for one minute.
20 ✓ October 7th, 2009
Fast Emerald
You beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode.
15 ✓ December 28th, 2007
Casino
You got to the Casino Night Zone.
10 ✓ October 24th, 2007
Chaos Emerald
You got one Chaos Emerald.
10 ✓ October 23rd, 2007
Emerald Hill
You cleared the Emerald Hill Zone 1.
5 ✓ October 23rd, 2007
Fast Chemical
You beat Chemical Plant Zone 1 in under 45 seconds.
20 
Xbox Live Racer
You won 10 versus zones on Xbox Live.
10 
Conquering Time
You beat the game in under an hour.
10 
All Multiplayer
You played all four multiplayer zones.
5