Travel through time.

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.

Destroy Dr. Eggman's final machine.

Complete the Time Attack mode in under 25 minutes.

Destroy all the robot transporters and Metal Sonic holograms in the past.