12Achievements
Sonic The Hedgehog 2
Emerald Hill
You cleared the Emerald Hill Zone 1.
(53.3%)
Sonic The Hedgehog 2
Fast Emerald
You beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode.
(10.0%)
Sonic The Hedgehog 2
Fast Chemical
You beat Chemical Plant Zone 1 in under 45 seconds.
(4.0%)
Sonic The Hedgehog 2
Casino
You got to the Casino Night Zone.
(25.6%)
Sonic The Hedgehog 2
Super Sonic
You became Super Sonic.
(4.2%)
Sonic The Hedgehog 2
Extended Super
You stayed in Super Sonic mode for one minute.
(4.2%)
Sonic The Hedgehog 2
Chaos Emerald
You got one Chaos Emerald.
(21.9%)
Sonic The Hedgehog 2
Chaos Master
You got all the Chaos Emeralds.
(4.3%)
Sonic The Hedgehog 2
Conquering Time
You beat the game in under an hour.
(2.2%)
Sonic The Hedgehog 2
All Multiplayer
You played all four multiplayer zones.
(12.8%)
Sonic The Hedgehog 2
Xbox Live Racer
You won 10 versus zones on Xbox Live.
(2.2%)
Sonic The Hedgehog 2
Win
You beat the game.
(7.3%)