- Zombie Genocidest
Kill 53,595 Infected.
Unlocked offline - 15 guides
- What Are You Trying to Prove?
Survive all campaigns on Expert.
01 August 2009 - 15 guides
- Red Mist
Kill 1000 Infected with a mounted machine gun.
29 July 2009 - 9 guides
- Zombicidal Maniac
Survive any campaign on Expert.
28 July 2009 - 9 guides
- Untouchables
No Survivors take damage after contacting the rescue vehicle.
28 July 2009 - 23 guides
- Dead Wreckening
Dole out 5000 total Survivor damage as a Special Infected.
25 July 2009 - 6 guides
- Ground Cover
Save another Survivor from a Special Infected while on the ground.
25 July 2009 - 6 guides
- Jump Shot
Headshot a Hunter while he's leaping.
25 July 2009 - 11 guides
- No Smoking Section
Kill 10 Smokers as they are pulling helpless Survivors.
25 July 2009 - 3 guides
- Drag and Drop
Rescue a Survivor from a Smoker's tongue before he takes damage.
25 July 2009 - 3 guides
- Safety First
Play an entire campaign with no Survivors taking friendly fire damage.
25 July 2009 - 22 guides
- Man vs Tank
Single-handedly kill a Tank.
24 July 2009 - 22 guides
- Clean Kill
Shove a Boomer and then kill him without him splashing on anyone.
24 July 2009 - 4 guides
- All 4 Dead
Kill all four Survivors in one life while playing as a Tank.
24 July 2009 - 12 guides
- Barf Bagged
Cover four Survivors with Boomer bile at once.
24 July 2009 - 5 guides
- Lamb 2 Slaughter
As an Infected, incap a Survivor who has entered and left a safe room.
24 July 2009 - 8 guides
- Big Drag
Drag a Survivor 100 feet with your tongue.
24 July 2009 - 6 guides
- Chain Smoker
Constrict two Survivors in one life as a Smoker.
24 July 2009 - 2 guides
- Nothing Special
Survive a campaign with no Survivors taking damage from Special Infected.
24 July 2009 - 23 guides
- Field Medic
Heal 25 Survivors with a first aid kit.
24 July 2009 - 2 guides
- Pyrotechnician
Blow up 20 Infected in a single explosion.
24 July 2009 - 3 guides
- Cr0wnd
Kill a Witch with a single headshot.
23 July 2009 - 16 guides
- 101 Cremations
Set 101 Infected on fire.
23 July 2009 - 7 guides
- Stomach Upset
All Survivors complete a campaign without being vomited on.
23 July 2009 - 13 guides
- Back 2 Help
Leave a safe room to save an incapped teammate and bring them back safely.
23 July 2009 - 3 guides
- Double Jump
Pounce two different Survivors in one life as a Hunter.
- Unbreakable
Finish a campaign without ever being healed.
03 February 2009 - 8 guides
- Stand Tall
Survive a campaign without being incapacitated.
03 February 2009 - 6 guides
- Helping Hand
Revive 50 incapacitated Survivors.
25 December 2008 - 3 guides
- Spinal Tap
Kill an Infected with a single blow from behind.
25 December 2008 - 2 guides
- Dead Giveaway
Heal a fellow Survivor when your own health is below 10.
25 December 2008 - 3 guides
- Towering Inferno
Light a Tank with a Molotov.
25 December 2008 - 3 guides
- Burn the Witch
Light a Witch with a Molotov.
25 December 2008 - 3 guides
- Hero Closet
Rescue a Survivor trapped in a closet.
30 November 2008 - 4 guides
- Do Not Disturb
Sneak past all Witches in a campaign without disturbing one.
29 November 2008 - 8 guides
- My Bodyguard
Protect any Survivor from an attacking Infected 50 times.
- Grim Reaper
Survive the Blood Harvest campaign.
Unlocked offline - 2 guides
- Akimbo Assassin
Survive an entire campaign using only pistols.
Unlocked offline - 5 guides
- Dead Baron
Survive the Dead Air campaign.
Unlocked offline - 2 guides
- Toll Collector
Survive the Death Toll campaign.
26 November 2008 - 2 guides
- Pharm-assist
Give pain pills to 10 Survivors.
26 November 2008 - 3 guides
- Dead Stop
Punch a Hunter as he is pouncing.
26 November 2008 - 5 guides
- Hunter Punter
Shove a Hunter off of a pinned and helpless Survivor.
26 November 2008 - 2 guides
- Blind Luck
You or another Survivor take no damage after being vomited on by a Boomer.
26 November 2008 - 4 guides
- Mercy Killer
Survive the No Mercy campaign.
25 November 2008 - 2 guides
- No-one Left Behind
Beat a campaign with all 4 Survivors.
25 November 2008 - 4 guides
- Tankbusters
Kill a Tank without it dealing any damage to a Survivor.
25 November 2008 - 7 guides
- Tongue Twister
Free yourself from a Smoker who has grabbed you with his tongue.
25 November 2008 - 2 guides
- Brain Salad
Make 100 headshot kills.
25 November 2008 - 3 guides
- Witch Hunter
Kill a Witch without any Survivor taking damage from her.
25 November 2008 - 3 guides
- Tank Stumble
Stun a Tank with an explosion in the Crash Course campaign.
01 October 2009 - 4 guides
- Jumpin' Jack Smash
Pounce a Survivor for 25 points of damage in the Crash Course campaign.
01 October 2009 - 4 guides
- Crash-proof
Survive the Crash Course Campaign.
- Truck Stop
Your team wipes all Survivors after the escape vehicle has opened in Crash Course.
30 September 2009 - 6 guides
- Wipefest
Your team incapacitates three Survivors within five seconds in the Crash Course campaign.
30 September 2009 - 9 guides
- The Littlest Genocide
Kill 5,359 Infected in the Crash Course campaign.
30 September 2009 - 6 guides
- Quick Power
Restart the generator within 30 seconds of it shutting off in the Crash Course campaign.
29 September 2009 - 2 guides
- Smash Hit
Win a Versus campaign of Crash Course.
29 September 2009 - 3 guides
- Slippery Pull
Smoker pull a bile-covered Survivor until you hold him during Crash Course.
29 September 2009 - 4 guides