12Achievements
Emerald Hill
You cleared the Emerald Hill Zone 1.
Common
(53.3%)
Fast Emerald
You beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode.
Common
(10.0%)
Fast Chemical
You beat Chemical Plant Zone 1 in under 45 seconds.
Rare
(4.0%)
Casino
You got to the Casino Night Zone.
Common
(25.6%)
Super Sonic
You became Super Sonic.
Rare
(4.2%)
Extended Super
You stayed in Super Sonic mode for one minute.
Rare
(4.2%)
Chaos Emerald
You got one Chaos Emerald.
Common
(21.9%)
Chaos Master
You got all the Chaos Emeralds.
Rare
(4.3%)
Conquering Time
You beat the game in under an hour.
Rare
(2.2%)
All Multiplayer
You played all four multiplayer zones.
Common
(12.8%)
Xbox Live Racer
You won 10 versus zones on Xbox Live.
Rare
(2.2%)
Win
You beat the game.
Rare
(7.3%)