Madness InteractiveThe classic game, run around, grab some weapons and kill some people. Total chaos, but make sure you do the tutorial if its your 1st time ;)
The Strangers 2The Strangers 2 has a lot more straight up shooting instead of the sniper work in part 1. Defend your village from the strangers.
The Last StandA mix of a zombie shooter and a defence game, move from left to right behind the barricade to aim good. Shotgun, chainsaws, perfect horror!
Icescape 2Officially this game is called a Point and Click Horror Shoot-Em Up Adventure Game. A great action game with original gameplay, enjoy!
Collateral DamagesDestroy the city with a mech and defend yourself against the police and military, demolish buildings to get power ups
Thing Thing 3This is different from the Arena verions, here's more a storyline added to the game, small tip when you start, don't always go right, go up!
Zombie Tower Defense 2A really basic towerdefence game, but it includes nice zombies. Enjoy building and upgrading!
America Strikes BackYou're objective is killing Osama Bin Laden, he's coming from all directions so beware!