Collect all the weapons in the Gift Shop by unlocking or trading.

Unlocked: 17 Jun 2025 15:40:36

Free all the prisoners in the Gift Shop by unlocking or trading.

Unlocked: 17 Jun 2025 15:40:22

Collect all the prisoners of one head shape.

Unlocked: 17 Jun 2025 15:38:17

Free 50 prisoners in the Gift Shop.

Unlocked: 17 Jun 2025 15:38:06

Get 100 kills.

Unlocked: 21 Sep 2014 17:23:55

Successfully use every melee attack move.

Unlocked: 29 Jul 2014 15:26:08

Die enough times and we give you a prize.

Unlocked: 17 Jul 2014 13:42:36

Kill your teammate 50 times.

Unlocked: 17 Jul 2014 04:06:45

Get eaten alive.

Unlocked: 17 Jul 2014 02:15:17

Gather yarn balls and trade them to the cats in the Gift Shop.

Unlocked: 17 Jul 2014 01:58:46

Earn some gems, go to the Gift Shop and free a prisoner.

Unlocked: 17 Jul 2014 01:29:00

Find a secret level.

Unlocked: 17 Jul 2014 01:20:11

In the Gift Shop, go to the Trading Post and trade with another player.

Unlocked: 17 Jul 2014 01:15:52

Play with the Behemoth or someone with this achievement in an online game.

Unlocked: 17 Jul 2014 00:55:20

Complete the story's opening sequence in any mode.

Unlocked: 17 Jul 2014 00:51:40

Complete the first four finales in any mode.

Get an A++ in 10 levels.

Get a letter grade in every level (except Encores) in Normal 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 insane solo story mode.

Get a letter grade in every level (except Encores) in insane co-op story mode.

Complete all the Encores in any mode.

Collect 10 Golden Hats.

Get a letter grade in all eight finales in any mode.

Be on the winning team in 100 arena matches.

Be on the winning team in one arena match of every mode.

Trade online with ten different players.

Use each weapon successfully.

Play and rate 10 user-created levels.

Download and host a game of user-created levels.