Death Chain: Zombie FPS is a first-person zombie shooter game with an interesting story. The game is set in a post-apocalyptic world where only the fittest survive. The story is told through the main character, who has to survive and get to a safe place in the desert. 

The main character has a special ability to move quickly and to jump from one place to another. In addition, he has a wide range of weapons, including guns and grenades. 

The gameplay is based on shooting and killing zombies. The gameplay is divided into different chapters, each of them containing a story and a mission.