Half-Life 2: SP Zombie Missions Maps (v1.0)

In this map there are 8 difficulties (Easy, Medium, Hard, Advanced, Extream, OMG Hard, OMG WTF?, Goreful), in each difficulty there are different changes to the map which are described at the bottom of the screen when you load up that difficulty.
ZombieMissions Name: ZombieMissions Game: Half-Life 2 GameType: Single Player Requirements: Half-Life 2 Author: The Ugly War Chief Developer: The Ugly War Chief Map Statis: Completed Difficulties: Easy, Medium, Hard, Advanced, Extream, OMG