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.
Upload a Multiplayer score or time.
Play as Tails 50 times.
Defeat Metal Sonic in SKY FORTRESS ZONE, Act 1.
Defeat the final foe and watch the ending.
Beat Special Stage 1 after collecting every Ring.
Collect all seven Chaos Emeralds.
Clear SYLVANIA CASTLE ZONE, Act 1 in one minute or less.
Collect all Red Star Rings
Activate the Rolling Combo with Sonic and Tails.
Clear SYLVANIA CASTLE ZONE, Act 1.