Collect the ammunition for the first time
Go into the fire on the map The Shooting Range
Collect health for the first time
Collect Instakill for the first time
Jump for the first time
Use the knife for the first time
Load the main menu for the first time
Collect the money for the first time
Open the Mystery Crate for the first time
Collect the nuke for the first time
Play Zombie Mode for 5 minutes without a break
Play Zombie Mode for 10 minutes without a break
Play Zombie Mode for 30 minutes without a break
Play Zombie Mode for 60 minutes without a break
Reload your weapon for the first time
Find the secret room on the map The Shooting Range
Start the game for the first time
Teleport you on the map Underground
Teleport you on the map The Shooting Range
Play The Old Trainyard for the first time
Play The Shooting Range Night for the first time
Play The Shooting Range Day for the first time
Play The Village Day for the first time
Play The Village Night for the first time
Play the Tutorial
Play Underground for the first time