Zombie Frontier 4: Sniper War is a free-to-play FPS zombie shooting game. In this game, you will play the role of a survivor. You will be forced to fight against other survivors and zombies. The aim of this game is to survive and destroy all the zombies. You will have to shoot all the zombies and their bombs, kill all the enemies and destroy all the weapons. 

You will find yourself in the middle of a war. There are many weapons, guns, grenades, bombs, etc. The weapons will be placed in different places and you will have to shoot the enemies and destroy the weapons to survive. 

There are many maps to play on. These maps will be based on real world locations. The location of the map will be given to you and you will have to shoot all the zombies to survive. There will be other players in the game. You can talk to other players and interact with them. You can also compete with them.