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