GTA: The Last Stand 2
You thought that your prayers have been answered when you step in the helicopter. Unfortunately, one of the survivors in that copter was bitten. Soon enough, he turn and it was all chaos. The copter crash and now, you are able to rebuild a barricade in a small town. Armed with a gun, you would try to repel the attackers back. The idea of the game is to protect the barricade. You need to take down the zombies as soon as you see them. After surviving the day, you can spend the remaining hours to repair the barricade, search weapons, supplies and other survivors in the area.