Get over a 1.000.000 points in survival
Complete 10 4-player missions
Survive up to the 20th wave in Santa's map in any difficulty
While playing with 2 allies get to survival's wave 9 without anyone dying
Kill a Martian Teleporter in survival mode
While playing with 1 ally get to survival's wave 6 without anyone dying
Complete a multiplayer mission without damaging any allies
While playing with 3 allies get to survival's wave 9 without anyone dying
Get to survival's wave 5 in less than 3 minutes
While in survival mode and playing alone: get to wave 3 without having been damaged
While in survival mode and playing alone: get to wave 3 in less than 5 minutes
Reach a combo of 20
Reach a combo of 40
Kill 200 Strong Martian
Complete 1 mission without picking up any Ultra Charges
Reload your extra weapon 1,000 times
Complete all Mars missions
Eliminate 200 zombies with melee attacks
Eliminate 1,000 Zombie Evaders
Eliminate 100 Martian Teleporters
Eliminate 1,000 Radioactive Zombies
Eliminate 100 Flying-Saucers
Eliminate 200 Martians with melee attacks
Eliminate 1,000 Walking Coffins
Defeat Fatzi
Reach a combo of 60
Eliminate 1,000 Generals
Eliminate 1,000 Zombie Chickens
Complete all missions
Complete a mission with full health
Protect 50 cheerleaders
Complete all cemetery missions
Defeat Jazzy
Complete all farm missions
Score 10,000,000 points
Complete a mission without dying
Burn 1,000 Zombie Chickens
Place 100 turrets
Kill 5.000 Martians
Complete a mission without picking up any weapons
Defeat Fred
Defeat Pumpking
Eliminate 1,000 Basic Zombies
Check out the Credits
Complete a mission with each of the characters
Eliminate 1,000 Zombies with bayonets
Eliminate 200 Martian with shields
Eliminate 500 zombie astronauts
Roll 20 times while on fire
Eliminate 200 Zombies with market cars
Perform 100 Ultra Attacks
Pickup 1,000 weapons
Pickup every weapon in the game
Eliminate 723 zombie chickens, 821 basic zombies and 394 zombie astronauts
Eliminate 35.000 zombies
Kill the Martian King
While in survival mode get to wave 12 playing alone
Perform a 80 kill combo while in survival mode
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