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Secret Achievements (Show)
Sonic Generations Achievements
The Opening Act
Completed the first stage.
GREEN HILL Restored!
Restored the GREEH HILL stage Gate.
CHEMICAL PLANT Restored!
Restored the CHEMICAL PLANT Stage Gate.
SKY SANCTUARY Restored!
Restored the SKY SANCTUARY Stage Gate.
SPEED HIGHWAY Restored!
Restored the SPEED HIGHWAY Stage Gate.
CITY ESCAPE Restored!
Restored the CITY ESCAPE Stage Gate.
SEASIDE HILL Restored!
Restored the SEASIDE HILL Stage Gate.
CRISIS CITY Restored!
Restored the CRISIS CITY Stage Gate.
ROOFTOP RUN Restored!
Restored the ROOFTOP RUN Stage Gate.
PLANET WISP Restored!
Restored the PLANET WISP Stage Gate.
Sunny side up
Defeated Death Egg Robot.
Defeated Perfect Chaos.
Boom Boom Dragoon
Defeated Egg Dragoon.
Defeated Metal Sonic.
Silver Got Served
Collected all the Chaos Emeralds.
All Stages Clear!
Cleared Sonic Generations.
Cleared Green Hill within one minute.
Got Rank S in an act.
Got Rank S in acts three times.
Got Rank S in acts seven times.
Got Rank S in acts 12 times.
Got Rank S in all acts.
Executed a trick with a seven-step combo or longer.
Defeated 100 enemies.
Reached the goal without dropping any of the rings you collected in GREEN HILL Act 1.
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.
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
Cleared SKY SANCTUARY without falling even once.
The Byway or the Highway
Got the Red Star Ring located on the shortcut route in SPEED HIGHWAY.
Wrecked 30 or more cars in CITY ESCAPE.
Got the Red Star Ring located in the hidden room in SEASIDE HILL.
Look Both Ways
Reached the goal in CRISIS CITY without being hit by a tornado-carried car.
A Quick Breather
Got the Red Star Ring atop the highest spot in ROOFTOP RUN.
Got the Red Star Ring by using an Orange Wisp in PLANET WISP.
Cleared a regular stage as Super Sonic.
Got all custom skills.
(Hedge)Hogging It All Up!
Got all collectibles.
Played Time Attack on all stages.
Red Ring Collector
Got all Red Star Rings.
Cleared half the missions.
Cleared all the missions.