- Waste of Ammo
Reload your extra weapon 1,000 times
- Astronaut
Complete all Mars missions
- BFF
Complete a multiplayer mission without damaging any allies
- Intimate
Eliminate 200 zombies with melee attacks
- Cat Reflexes
Eliminate 1,000 Zombie Evaders
- Chaser
Eliminate 100 Martian Teleporters
- Janitor at Chernobyl
Eliminate 1,000 Radioactive Zombies
- Clay Shooter
Eliminate 100 Flying-Saucers
- Close Encounters of 4th Kind
Eliminate 200 Martians with melee attacks
- Closed Casket
Eliminate 1,000 Walking Coffins
- Pork Pie
Defeat Fatzi
- Combo Enthusiast
Reach a combo of 20
- Combo Expert
Reach a combo of 40
- Combo Master
Reach a combo of 60
- Daredevil
Eliminate 1,000 Generals
- Duster Maker
Eliminate 1,000 Zombie Chickens
- Earth's Hero
Complete all missions
- Flawless Victory
Complete a mission with full health
- Cheery
Protect 50 cheerleaders
- Gravedigger
Complete all cemetery missions
- Happy Halloween
Defeat Jazzy
- Harvester
Complete all farm missions
- Immortal
Complete a mission without dying
- KFC
Burn 1,000 Zombie Chickens
- Lazy
Place 100 turrets
- Mars Conqueror
Kill 5.000 Martians
- My Back Hurts
Complete a mission without picking up any weapons
- Nightmare
Defeat Fred
- Pumpkin Pie
Defeat Pumpking
- Raccoon City Cop
Eliminate 1,000 Basic Zombies
- Recruiter
Check out the Credits
- Royal Flush
Complete a mission with each of the characters
- Running With Scissors
Eliminate 1,000 Zombies with bayonets
- Shield Breaker
Eliminate 200 Martian with shields
- Space Harrier
Eliminate 500 zombie astronauts
- Stuntman
Roll 20 times while on fire
- Mall Cop
Eliminate 200 Zombies with market cars
- Team Player
Complete 10 4-player missions
- Ultra Master
Perform 100 Ultra Attacks
- Weapon Collector
Pickup 1,000 weapons
- ODD
Pickup every weapon in the game
- WTF
Eliminate 723 zombie chickens, 821 basic zombies and 394 zombie astronauts
- Zombieraser
Eliminate 35.000 zombies
- Kingslayer
Kill the Martian King
- Can't Touch This
While in survival mode and playing alone: get to wave 3 without having been damaged
- In a Rush
While in survival mode and playing alone: get to wave 3 in less than 5 minutes
- All By My Self
While in survival mode get to wave 12 playing alone
- Killer Instinct
Perform a 80 kill combo while in survival mode
- Lucky 7
Kill a Martian Teleporter in survival mode
- Keep'em Coming
Get over a 1.000.000 points in survival
- Ninja Squad
Get to survival's wave 5 in less than 3 minutes
- Dynamic Duo
While playing with 1 ally get to survival's wave 6 without anyone dying
- Tri-Force
While playing with 2 allies get to survival's wave 9 without anyone dying
- Fantastic Four
While playing with 3 allies get to survival's wave 9 without anyone dying
- Holiday Survivor
Survive up to the 20th wave in Santa's map in any difficulty