A mix between shooting game and defense game. The player plays the role of a shooter, who has to protect a man. The man is trapped inside an abandoned city, and is getting cornered by zombies. Player can choose from a range of real-world guns. Player can set obstacles to block the zombies.
A context menu should be shown when right-clicking or, on touch devices, long-pressing in the game. This menu especially allows to play in full screen and control the volume.