A time-traveling adventure featuring a greatest-hits collection of 3D and 2D Sonic stages, now with upgraded visuals and new bonus content.
Collect all Trophies.
Get Rank S in all Acts.
Get all collectibles.
Clear Sonic Generations.
Get Rank S in seven Acts.
Get Rank S in twelve Acts.
Take no damage from the final boss and clear the stage.
Race through a regular stage as Super Sonic.
Get all Skills.
Play Ranking Attack on all stages.
Get all Red Star Rings.
Clear half the Challenge Acts.
Clear all the Challenge Acts.
Race through the first stage.
Restore the PLANET WISP Stage Gate.
Defeat Death Egg Robot.
Defeat Perfect Chaos.
Defeat Egg Dragoon.
Defeat Metal Sonic.
Defeat Shadow.
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