The Opening Act
Completed the first stage.
GREEN HILL Restored!
CHEMICAL PLANT Restored!
SKY SANCTUARY Restored!
SPEED HIGHWAY Restored!
CITY ESCAPE Restored!
SEASIDE HILL Restored!
CRISIS CITY Restored!
ROOFTOP RUN Restored!
PLANET WISP Restored!
Sunny side up
Perfect Punisher
Boom Boom Dragoon
Scrap Metal
Shadow Boxing
Silver Got Served
Treasure Hunter
All Stages Clear!
Cleared Sonic Generations.
Greased Lightning
Cleared Green Hill within one minute.
Bright Star
Got Rank S in an act.
Shooting Star
Got Rank S in acts three times.
Blazing Meteor
Got Rank S in acts seven times.
Blue Comet
Got Rank S in acts 12 times.
Big Bang
Got Rank S in all acts.
Trickstar
Executed a trick with a seven-step combo or longer.
Eradicator
Defeated 100 enemies.
Ring King
Reached the goal without dropping any of the rings you collected in GREEN HILL Act 1.
Action Hero
Performed all of Sonic's actions in Act 2.
Can't Touch This
Took no damage while defeating the final boss.
Bonds of Friendship
Completed all of Sonic's friends' Challenges.
Walkie Talkie
Chatted with all of Sonic's friends you saved.
Join the Ranks
Joined the rankings.
A 30-Second Test
Participated in a 30 Second Trial.
Jump for Joy!
Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring.
Walk on Water
Cleared CHEMICAL PLANT without entering the water.
Walk on Air
The Byway or the Highway
Demolition Derby
Secret Sleuth
Look Both Ways
A Quick Breather
Color Power!
Supersonic!
Mad Skillz
Got all custom skills.
(Hedge)Hogging It All Up!
Got all collectibles.
Time Attacker
Played Time Attack on all stages.
Red Ring Collector
Got all Red Star Rings.
Halfway Point
Cleared half the missions.
Mission Accomplished!
Cleared all the missions.