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