Complete the tutorial

Win 1 match in versus

Defeat the dreadful Judge

Get 3 stars in First Rodeo

Get 3 stars in Exploding Cats Factory

Steal 20 bullets as a ghost

Explode 50 cats in versus

Touch 10 players with a bomb explosion

Stun players 50 times

Pass the rocket target 50 times

Win a round in versus with Trampoline and all your hearts (3 or 4 players)

Win a round in versus with Invisible and all your hearts (3 or 4 players)

Get 3 stars in Cannon Fodder

Get 3 stars in Rocket Science

Win a round in versus without shooting any bullet and all your hearts (3 or 4 players)

Win a round in Capture The Flag without losing any flag (3 or 4 players)

Win a round in Predator without losing the predator mask once (3 or 4 players)

Win a round in Last Man Standing and all your hearts (3 or 4 players)

Play 100 rounds in versus

Destroy 500 enemies in co-op

Get 3 stars in Holy Chicken!

Get 3 stars in Deadly Coliseum

Finish a match with 100% accuracy (3 or 4 players and 3 victories minimum)

Win all rounds in a versus match without losing any hearts (3 or 4 players and 3 victories minimum)

Play 250 rounds in versus

Destroy 50 enemies in a row without getting hit in co-op

Play 500 rounds in versus

Win at least 1 bronze medal in each cup

Win a round in Third Eye without getting shot by a laser

Steal 50 hearts in Heart Stealer

Get 3 stars in Close Encounter

Get 3 stars in Blobs From Outer Space

Win at least 1 silver medal in each cup

Win a round in Parasites without getting damaged by a parasite

Win a round in Fatal Dodgeball without getting hit by a ball

Get 3 stars in Dodgy Stadium

Win at least 1 gold medal in each cup

Win a round in Alien Pet without losing the alien once

Win a round in Gold Rush with all the gold

Get 3 stars in Backward Ship