Zombie Frontier 4 is a war-action game where you play as a sniper shooting zombie killer in a world full of zombies. The game's storyline takes you on a journey in which you'll have to kill zombies in order to survive. In this FPS game, you'll be able to use various weapons, such as assault rifles, machine guns, sniper rifles, and even grenade launchers. You can also choose to use a variety of different guns and rifles.

You'll have to perform your kills by using different tactics. For example, you can use the assault rifle to kill zombies from a distance, while the machine gun will allow you to do so at a closer distance. You'll also have to use your guns wisely. For example, the machine gun can be used to eliminate enemies in a crowd, while the sniper rifle can be used to kill enemies from a distance.