SAS: Zombie Assault 4

In the year 3104, a virus outbreak on the trans-federation planet Thera threatens the fate of mankind. The highly skilled, heavily armed SAS special forces are all that stand between humanity and a terrifying zombie horde. Choose from three unique character classes and combine a fully customizable skill tree with hundreds of weapons and armor pieces to create the ultimate zombie-killing hero. Fight through seven detailed, challenging levels in single-player or four-player multiplayer and save what remains of civilization.

In SAS: Zombie Assault 4, a virus outbreak devastates the trans-federation planet Thera in 3104. As an SAS special-forces operative, players fight zombie hordes to protect survivors and preserve what remains of humanity.