Find the Nurse
Find the Prisoner
Find the Gunner
Find the Priest
Escape from the City
Kill 50 zombies
Kill 200 zombies
Kill 500 zombies
Kill 1000 zombies
Kill 10 fat zombies
Kill 50 fat zombies
Kill 100 fat zombies
Kill 10 explosive zombies
Kill 50 explosive zombies
Kill 100 explosive zombies
Kill 50 bandits
Kill 200 bandits
Kill 500 bandits
Kill 1000 bandits
Kill 100 enemies with a knife
Kill 100 enemies with an axe
Kill 100 enemies with a sledgehammer
Kill 100 enemies with a katana
Heal your mates 100 times
Kill 100 enemies with a mace
Kill 100 enemies with a minigun
Kill 100 enemies with tribal axe
Kill 100 enemies with Tommy-gun
Kill 100 enemies with SPAS-12
Survive in the plane crash
Rescue the Aztec
Escape from the temple with traps
Kill the Lich King
Escape from the planet
Kill 50 cannibals
Kill 200 cannibals
Kill 500 cannibals
Kill 1000 cannibals
Kill 50 wild boars
Kill 200 wild boars
Kill 500 wild boars
Kill 1000 wild boars
Kill 50 armed zombies
Kill 200 armed zombies
Kill 500 armed zombies
Kill 1000 armed zombies
Kill the Skeleton Lord
Kill the Cannibal Chieftain
Get the Dog
Die 100 times
Save the scientist
Kill the last boss
Kill 50 explosive scientists
Kill 200 explosive scientists
Kill 500 explosive scientists
Kill 1000 explosive scientists
Kill 50 fast zombies
Kill 200 fast zombies
Kill 500 fast zombies
Kill 1000 fast zombies
Kill 50 slow zombies
Kill 200 slow zombies
Kill 500 slow zombies
Kill 1000 slow zombies
Kill 50 heavy zombies
Kill 200 heavy zombies
Kill 500 heavy zombies
Kill 1000 heavy zombies
Kill 100 enemies with chainsaw
Kill 100 enemies with laser sword
Kill 100 enemies with blaster
Tear apart 500 enemies
Tear apart 1000 enemies
Tear apart 5000 enemies