Kill 2000 zombies with SMG
Kill 1000 zombies with pistol
Kill 3000 zombies with Assault Rife
Kill 3000 zombies with Shotgun
Kill 2000 zombies with Flamethower
Kill 2000 zombies with Rocket Launcher
Equiped every kinds of Armor
Kill 1000 zombies with Grenade
Kill 3000 worms
Pick up 10000 cash totally
Rescue all civilians in Chapter 5
Clear all levels
Kill 1000 Zombie Dogs
Kill 1000 Giant Zombies
Kill 1000 Zombies
Find the Hidden Room in Chapter 5 and Chapter 9
Killed 5 or more zombies with a car explosion
Buy 10000 bullets
Kill all kinds of Zombies
Pick up 100 Remedys
Upgrade any of armor to level 10
Upgrade any of weapon to level 10
Destroy 200 Eggs