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.
Clear all stages without returning to the World Map.
Defeat all bosses as Super Sonic.
Play as Tails 50 times.
Defeat the final foe and watch the ending.
Collect all Red Star Rings
Defeat Metal Sonic in SKY FORTRESS ZONE, Act 1.
Collect all seven Chaos Emeralds.
Clear SYLVANIA CASTLE ZONE, Act 1 in one minute or less.
Upload a Multiplayer score or time.
Beat Special Stage 1 after collecting every Ring.
Activate the Rolling Combo with Sonic and Tails.
Clear SYLVANIA CASTLE ZONE, Act 1.