Try to open locked doors 50 times.

Try to leave Silent Hill in the Observation Deck area.

Restore the PLANET WISP Stage Gate.

Restore the CRISIS CITY Stage Gate.

Defeat Shadow.

Restore the RAIL CANYON Stage Gate.

Reach max rank on one ship module.

Restore the CITY ESCAPE Stage Gate.

Defeat Death Egg Robot.

Defeat Metal Sonic.

Restore the CHEMICAL PLANT Stage Gate.

Shoot off both arms on a Hulk and then extract while it's alive.

Travel 500m of distance while riding creatures