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