Rage Zombie Shooter. Get yourself a gun and wait for the zombies to come. They will approach you from all directions and will increase in numbers if you do not kill them with the first shot. You are warned.
With 24 levels you can collect a lot of experience points which you can use to increase damage, health, chance to critical hit, shooting speed and movement speed.
With the button Inventory you can select your weapon and armor.
Use arrow keys to move around. Use mouse to aim and shoot your weapon.