Collect 10 Golden Hats.
Complete the first four finales in any mode.
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.
Free 50 prisoners in the Gift Shop.
Complete an encore level in Story Mode.
Complete 10 user-created levels in a single Featured Story playlist.
Get an A++ in 10 levels.
Get yourself a cool new weapon.
Free a fellow prisoner.
Make a trade with someone.
Complete the story's opening sequence in any mode.
Be on the winning team in one arena match of every mode.
Collect all the prisoners of one head shape.
Free all the prisoners in the Gift Shop by unlocking or trading.
Be on the winning team in 100 arena matches.
Get a letter grade in all eight finales in any mode.
Complete all the Encores in any mode.
Get 100 kills.
Get a letter grade in every level (except Encores) in insane co-op story mode.
Successfully use every melee attack move.
Use each weapon successfully.
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 every level (except Encores) in Normal Solo Story Mode.
Download and host a game of user-created levels.
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