You start game
You kill 1-st enemy
50 Kills
150 Kills
200 Kills
250 Kills
400 Kills
500 Kills
Killed 1 boss
Found the secret
The player died
Broke the wall
Used morphine
Broken door
Destroyed the turret
Activated teleport
Killed zombies
Used the jerk
Used the drone
Took greater the first-aid kit
Took the second gun
Take MAC10
Take Desert Eagle
Take Assault Riffle
Take Shotgun
Take Bazooka
Take Minigun
Take Laser Riffle
Take Railgun
Met a friend
The enemy killed in the blast
Blew up the barrel
Used accelerator
Used Shield
Used Quad
The beginning of level 4
The beginning of level 3
The beginning of level 8