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

Get all collectibles in Sonic Generations.

Rescue all Chao.

Clear all the Challenge Acts in Sonic Generations.

Collect all the Chaos Emeralds.

Defeat Silver.

Restore the ROOFTOP RUN Stage Gate.

Defeat Perfect Chaos.

Restore the SEASIDE HILL Stage Gate.

Restore the SPEED HIGHWAY Stage Gate.

Defeat Metal Sonic.

Restore the CHEMICAL PLANT Stage Gate.