So take left 4 dead, then add player classes, loadouts and skill trees. Also the horde ain't taking your sh*t anymore so some of them shoot back at you :).

If you like co-op horde shooters, you'll like this one.

So take left 4 dead, then add player classes, loadouts and skill trees. Also the horde ain't taking your sh*t anymore so some of them shoot back at you :). If you like co-op horde shooters, you'll like this one.