- High caution
Finish any level without dealing friendly damage
Locked - 1 guide
- Strong immunity
Finish any level without using healing equipment
Locked - 4 guides
- The most effective way
Finish any level using just pistol
Locked - 8 guides
- Genocide
Kill 10,000 zombies
Locked - 1 guide
- Sport kills
Kill Lurker midair
Locked - 3 guides
- Torero
Kill Bull during his charge
Locked - 2 guides
- Can't fool me
Kill 20 lying zombies before they get up
Locked - 3 guides
- Chain reaction
Hit 10 zombies with one tazer shot
Locked - 3 guides
- Toxicomaniac
Walk into Gasbag's cloud 100 times
Locked - 2 guides
- Burglar
Open 15 rooms or containers with breaching charge
Locked - 2 guides
- Friend of machines
Capture 15 turrets
Locked - 5 guides
- Explosive
Kill 10 zombies with gas cylinder explosion
Locked - 1 guide
- The floor is lava
Burn 10 zombies with one gasoline puddle
Locked - 3 guides
- Builder
Build 100 defences
Locked - 2 guides
- Waste of time
Defuse 10 mines
Locked - 4 guides
- Veteran
Finish 25 PvP matches in any mode
Locked - 1 guide
- Winner in life
Finish PvP match with highest score in any mode
Locked - 1 guide
- Owner
Capture the point and hold it until the end of the match in "Swarm Domination" mode
Locked - 2 guides
- Walking bank
Gather 200 resources during single match in scavenge raid mode
Locked - 1 guide
- First Aid
Rescue 30 incapacitated teammates
Locked - 1 guide
- What the doctor ordered
Heal 30 teammates with health lower than 20% with health packs or stim pistol
Locked - 2 guides
- Dispenser
Dispense 10 supply bags
Locked - 3 guides
- I am safe!
Use masking grenade on 3 teammates with zombies near
Locked - 2 guides
- Effective communication
Mark special zombies 50 times
Locked - 2 guides
- Madman
Finish 100 games in PvE
Locked - 2 guides