Open and buy all perks in one specialization

Finish any level without dealing friendly damage

Finish any level without using health packs

Finish any level using just pistol

Finish any level with full team

Kill 10,000 zombies

Kill Lurker midair

Kill Bull during charge

Kill 20 lying zombies before they get up

Hit 10 zombies with one Stun Gun shot

Walk into toxic cloud 100 times

Open and buy all perks in game

Open 15 rooms or containers with breaching charge

Capture 15 turrets

Kill 10 zombies with gas cylinder explosion

Burn 10 zombies with one gasoline puddle

Build 100 defences

Defuse 10 mines

Finish 25 PvP matches in any mode

Finish PvP match with highest score in any mode

Capture the point and hold it until the end of the match in "Swarm Domination" mode

Gather 200 resources during single match in scavenge raid mode

Open and buy final version of any weapon

Rescue 30 incapacitated teammates

Heal 30 teammates with health lower than 20% with Medkits or Stim Pistol

Dispense 10 explosive ammo packs to teammates

Use masking grenade on 3 teammates with zombies near

Mark special zombies 50 times

Finish 100 games in PvE

Open and buy final versions of all weapons

Finish episode "New York" on any difficulty

Finish episode "Jerusalem" on any difficulty

Finish episode "Moscow" on any difficulty

Finish all episodes on any difficulty

Finish all episodes on insane or extreme difficulty