Beat the game.
Win 10 versus zones in online play.
Play all four multiplayer zones.
Beat the game in under an hour.
Get all the Chaos Emeralds.
Get one Chaos Emerald.
Stay in Super Sonic mode for one minute.
Become Super Sonic.
Get to the Casino Night Zone.
Beat Chemical Plant Zone 1 in under 45 seconds.
Beat Emerald Hill Zone 1 in under 35 seconds in single-player or co-op mode.
Clear the Emerald Hill Zone 1.