Full list of all 12 Sonic the Hedgehog 4 - Episode II achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Play as Tails 50 times.
Defeat all bosses as Super Sonic.
Clear all stages without returning to the World Map.
Upload a Multiplayer score or time.
Beat Special Stage 1 after collecting every Ring.
Defeat Metal Sonic in SKY FORTRESS ZONE, Act 1.
Collect all Red Star Rings
Clear SYLVANIA CASTLE ZONE, Act 1 in one minute or less.
Collect all seven Chaos Emeralds.
Defeat the final foe and watch the ending.
Activate the Rolling Combo with Sonic and Tails.
Clear SYLVANIA CASTLE ZONE, Act 1.