zombie shooter: shooting walking zombie

The world is occupied by a large number of zombies, and some zombies have evolved new abilities. You need to rely on weapons and equipment to kill zombies. Destroy the zombies in front of you and ensure your own life. The longer you survive, the stronger the zombies you encounter. So you need to constantly improve your ability to avoid becoming a prey of zombies. You need to defeat zombies and create your own legend in this cruel world.