Defeat Metal Overlord.

Restore the KINGDOM VALLEY Stage Gate.

Restore the RAIL CANYON Stage Gate.

Take no damage from the final boss and clear the stage in Sonic Generations.

Get all collectibles in Sonic Generations.

Collect all the Chaos Emeralds.

Clear all the Challenge Acts in Sonic Generations.

Rescue all Chao.

Restore the PLANET WISP Stage Gate.

Restore the ROOFTOP RUN Stage Gate.

Defeat Perfect Chaos.

Restore the SEASIDE HILL Stage Gate.

Restore the SPEED HIGHWAY Stage Gate.