Here is the full list of all 30 BattleBlock Theater achievements.
Play with the Behemoth or someone with this achievement in an online game.
Free all the prisoners in the Gift Shop by unlocking or trading.
Get a letter grade in every level (except Encores) in insane co-op story mode.
Download and host a game of user-created levels.
Complete 10 user-created levels in a single Featured Story playlist.
Complete all the Encores in any mode.
Get a letter grade in every level (except Encores) in Normal Solo Story Mode.
Be on the winning team in 100 arena matches.
Get a letter grade in every level (except Encores) in insane solo story mode.
Get a letter grade in every level (except Encores) in Normal Co-op Story Mode.
Get a letter grade in all eight finales in any mode.
Be on the winning team in one arena match of every mode.
Use each weapon successfully.
Collect 10 Golden Hats.
Complete the first four finales in any mode.
Successfully use every melee attack move.
Collect all the prisoners of one head shape.
Die enough times and we give you a prize.
Free 50 prisoners in the Gift Shop.
Get 100 kills.
Collect all the weapons in the Gift Shop by unlocking or trading.
Kill your teammate 50 times.
Make a trade with someone.
Get eaten alive.
Complete an encore level in Story Mode.
Get an A++ in 10 levels.
Get yourself a cool new weapon.
Free a fellow prisoner.
Find a secret level.
Complete the story's opening sequence in any mode.