Eugene, Marcus, and other Survivors return in the spiritual successor of the popular Half-Life 2 Modification Zombie Panic: Source!
Contagion is a cooperative survival horror FPS built on the latest Source Engine where players are forced to watch their ammo and aim carefully otherwise be overrun by the zombie hordes. Players will face traditional zombies as well as former teammates who have been turned themselves and where friend becomes foe fueling the carnage to come.
- Play alone offline or online with a friend(s) and other players.
- You begin your story...