Fast Green
10Beat Green Hill Zone Act 1 in under 35 seconds.
Unlocked: 14 Jul 2007 13:45:56
Centurion
10Get 100 or more rings.
Unlocked: 14 Jul 2007 13:44:22
Perfect Win
40Beat the game without dying.
Unlocked: 14 Jul 2007 13:24:02
Win
25Beat the game.
Unlocked: 14 Jul 2007 13:24:01
Get to the Star Light Zone.
Unlocked: 14 Jul 2007 12:51:15
Get to the Labyrinth Zone.
Unlocked: 14 Jul 2007 12:00:57
Get to the Spring Yard Zone.
Unlocked: 14 Jul 2007 11:37:12
Clear the Green Hill Zone.
Unlocked: 14 Jul 2007 11:11:27
Fast Marble
15Beat Marble Zone Act 1 in under 80 seconds.
Unlocked: Offline
Get one Chaos Emerald.
Unlocked: Offline
Chaos Master
35Get all the Chaos Emeralds.
Unlocked: Offline
Fast Win
30Beat the game in under 40 minutes.
Unlocked: Offline