Complete the indicated task to unlock the achievement.

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