2D Zombie Shooter

There are so many Zombies in town. You must get Zombie vaccines. You must go to the hospital to get them. How to play  ↑↓→←　up,  down,  right,  left Z  weapon X   grenade launcher space      jump Esc     pause            continue            quit   Or  Xbox controller        gamepad ※When you press continue button you must touch save point at first.