(Hedge)Hogging It All Up! - 50 gamerpoints - Get all collectibles.
A 30-Second Test - 20 gamerpoints - Participate in a 30 Second Trial.
Action Hero - 10 gamerpoints - Perform all of Sonic's moves in Act 2.
All Stages Cleared! - 50 gamerpoints - Clear Sonic Generations.
Big Bang - 50 gamerpoints - Get Rank S in all Acts.
Blazing Meteor - 30 gamerpoints - Get Rank S in seven Acts.
Blue Comet - 40 gamerpoints - Get Rank S in twelve Acts.
Bonds of Friendship - 10 gamerpoints - Finish all Challenge Acts featuring Sonic's friends.
Bright Star - 15 gamerpoints - Get Rank S in an Act.
Eradicator - 15 gamerpoints - Defeat 100 enemies.
Greased Lightning - 10 gamerpoints - Clear GREEN HILL Act 1 within one minute.
Halfway Point - 30 gamerpoints - Clear half the Challenge Acts.
Join the Ranks - 20 gamerpoints - Join the rankings.
Mad Skillz - 30 gamerpoints - Get all Skills.
Mission Accomplished! - 30 gamerpoints - Clear all the Challenge Acts.
Red Ring Collector - 30 gamerpoints - Get all Red Star Rings.
Ring King - 15 gamerpoints - Reach the goal without dropping any of the rings you collected in GREEN HILL Act 1.
Shooting Star - 20 gamerpoints - Get Rank S in three Acts.
The Opening Act - 10 gamerpoints - Race through the first stage.
Time Attacker - 30 gamerpoints - Play Ranking Attack on all stages.
Trickstar - 10 gamerpoints - Pull off a seven or more trick combo or six trick combo ending in a finishing trick.
Walkie Talkie - 10 gamerpoints - Chat with each of Sonic's friends you have saved.