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