"Fortress of the Undead" is an intense zombie survival game. Scavenge for weapons and ammo, fight off hundreds or thousands of zombies with up to 4 players, and try to survive as long as possible.

"Fortress of the Undead" is an intense zombie survival game. Scavenge for weapons and ammo, fight off hundreds or thousands of zombies with up to 4 players, and try to survive as long as possible.