Objective: The main objective in "Stupid Zombies" is to eliminate zombies using limited ammunition and environmental factors. Players need to strategize their shots to clear each level.

Shooting: Players aim and shoot their weapon (typically a shotgun) to kill zombies. Shots can bounce off walls or obstacles to reach hidden zombies.

Physics-based Puzzles: The game employs physics mechanics where players must use angles and rebounds to hit zombies that are behind cover or in hard-to-reach places.

Limited Ammo: Each level provides a limited number of bullets, requiring players to make each shot count.

Level Design: The game features multiple levels with increasing difficulty. Each level presents a different arrangement of zombies and obstacles, challenging players to think strategically.