Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Crazy stuff	Find grenade launcher!!!
Decay	Discover the abandoned farm
Frigid Caverns	Search the caverns...
From the dark they came...	Survive third night
Incinerated	Survive third night on Stronghold
Join the Undead	Zombie killed you at night
Last light in the darkness	Survive fifth night
Rad-OIL	Discover the gas station
Scent of blood	Survive second night
Store	Search the abandoned store
Sunrise	Survive first night
The journey begins...	Move to the second area...
Undead	50 zombies died in one game
We cannot leave this place...	Search the castle ruins...
Well, what is it?	Mhmmmmm...
Zombie Horde	750 zombies died in one game
Zombie Onslaught	250 zombies died in one game