Survive endless waves of zombies and hellhounds, as you play, you will earn gold, and increase your stats, the stats unlock new perks, get better attachments and unlock new characters, and the gold can be used to buy upgrades, and unlock new weapons.

W,A,S,D - Move. Mouse - Aim / Shoot. F - Buy. 1-2 Weapon. 3 - Move the girl. G - Grenade. C - Plant Bomb.