Kill Bull during charge
Finish any level with full team
Kill Lurker midair
Rescue 30 incapacitated teammates
Mark special zombies 50 times
Dispense 10 explosive ammo packs to teammates
Heal 30 teammates with health lower than 20% with health packs or stim pistol
Use masking grenade on 3 teammates with zombies near
Build 100 defences
Open 15 rooms or containers with breaching charge
Kill 10 zombies with balloon explosions
Capture 15 turrets
Burn 10 zombies with one gasoline puddle
Defuse 10 mines
Finish 100 games in PvE
Open and buy final versions of all weapons
Open and buy all perks in game
Open and buy final version of any weapon
Open and buy all perks in one specialization
Finish all episodes on insane or extreme difficulty
Finish all episodes on any difficulty
Finish any level without dealing friendly damage
Finish any level using just pistol
Finish episode "New York" on any difficulty
Finish episode "Jerusalem" on any difficulty
Finish any level without using health packs
Finish episode "Moscow" on any difficulty
Gather 200 resources during single match in scavenge raid mode
Capture the point and hold it until the end of match
Finish 25 PvP matches in any mode
Finish PvP match with highest score in any mode
Hit 10 zombies with one tazer shot
Kill 20 lying zombies before they get up
Kill 10,000 zombies
Walk into toxic cloud 100 times
10000
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