Perform all of Sonic's moves in Act 2.
Defeat 100 enemies.
Race through the first stage.
Collect all Trophies.
Get all Red Star Rings.
Get all Skills.
Get all collectibles.
Play Ranking Attack on all stages.
Clear half the Challenge Acts.
Pull off a seven or more trick combo or six trick combo ending in a finishing trick.
Participate in a 30 Second Trial.
Get Rank S in three Acts.
Clear Sonic Generations.
Clear GREEN HILL Act 1 within one minute.
Get Rank S in an Act.
Get Rank S in seven Acts.
Join the rankings.
Get Rank S in twelve Acts.
Get Rank S in all Acts.
Reach the goal without dropping any of the rings you collected in GREEN HILL Act 1.
Complete all Challenge Acts featuring Sonic's friends.
Chat with each of Sonic's friends you have saved.
Clear all the Challenge Acts.
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