Play SAS: Zombie Assault 4

The year is 3104, and an outbreak of the virus in the trans-Thera federation planet threatens the fate of humanity. Choose from 3 types of unique characters, and uses the combined skills tree with hundreds of weapons and armor pieces to get kill the last zombie. Play your way through 7 challenging levels in single player mode or multiplayer for 4 players and save what is left of our civilization.