Restore the SUNSET HEIGHTS 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.

Get Rank S in all Acts in Sonic Generations.

Get all Red Star Rings.

Restore the ROOFTOP RUN Stage Gate.

Defeat Perfect Chaos.

Restore the SEASIDE HILL Stage Gate.

Restore the SPEED HIGHWAY Stage Gate.

Defeat Metal Sonic.