Travel through time
Destroy Dr. Eggman's final machine
Complete the Time Attack mode in under 25 minutes
Destroy all the robot teleporters and Metal Sonic holograms in the past
Get a hug from Amy
Complete a zone in the Good Future
Pass the upper Signpost in Collision Chaos Zone 2
Collect 200 Rings
Find the angel statue in Wacky Workbench
Defeat Metal Sonic without getting hurt
Finish the game
Collect all the Time Stones