Got Rank S in all acts.
Took no damage while defeating the final boss.
Completed all of Sonic's friends' Challenges.
Got the Red Star Ring located on the shortcut route in SPEED HIGHWAY.
Got the Red Star Ring located in the hidden room in SEASIDE HILL.
Got all custom skills.
Got all collectibles.
Played Time Attack on all stages.
Got all Red Star Rings.
Cleared all the missions.
Found the spring hidden in GREEN HILL Act 1 and reached the goal with a Red Star Ring.
Got the Red Star Ring by using an Orange Wisp in PLANET WISP.
Cleared half the missions.
Cleared Green Hill within one minute.
Participated in a 30 Second Trial.
Cleared SKY SANCTUARY without falling even once.
Cleared CHEMICAL PLANT without entering the water.
Chatted with all of Sonic's friends you saved.
Got Rank S in acts 12 times.
Defeated Metal Sonic.
Reached the goal in CRISIS CITY without being hit by a tornado-carried car.
Defeated Death Egg Robot.
Restored the SKY SANCTUARY Stage Gate.
Restored the CHEMICAL PLANT Stage Gate.
Got Rank S in acts three times.
Restored the GREEH HILL stage Gate.
Got Rank S in an act.
Completed the first stage.
Got the Red Star Ring atop the highest spot in ROOFTOP RUN.
Cleared a regular stage as Super Sonic.
Cleared Sonic Generations.
Collected all the Chaos Emeralds.
Defeated Egg Dragoon.
Defeated Silver.
Restored the PLANET WISP Stage Gate.
Got Rank S in acts seven times.
Restored the ROOFTOP RUN Stage Gate.
Restored the CRISIS CITY Stage Gate.
Defeated Perfect Chaos.
Joined the rankings.
Defeated Shadow.
Restored the SEASIDE HILL Stage Gate.
Restored the CITY ESCAPE Stage Gate.
Wrecked 30 or more cars in CITY ESCAPE.
Restored the SPEED HIGHWAY Stage Gate.
Reached the goal without dropping any of the rings you collected in GREEN HILL Act 1.
Executed a trick with a seven-step combo or longer.
Performed all of Sonic's actions in Act 2.
Defeated 100 enemies.
