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