Centurion
10Get 100 or more rings.
Clear the Green Hill Zone.
Fast Green
10Beat Green Hill Zone Act 1 in under 35 seconds.
Fast Marble
15Beat Marble Zone Act 1 in under 80 seconds.
Get to the Star Light Zone.
Get to the Spring Yard Zone.
Get to the Labyrinth Zone.
Get one Chaos Emerald.
Chaos Master
35Get all the Chaos Emeralds.
Win
25Beat the game.
Fast Win
30Beat the game in under 40 minutes.
Perfect Win
40Beat the game without dying.