Two players face each other. Both bend their arms with fists touching (thumbs pointing up, like pistols).

They find a shared rhythm, moving their fists up and down together. On any beat, either player can:

You must reload before you can shoot. A shield blocks a shot. An unshielded, unreloaded player who gets shot is out.

Bang

Shoot: Point both index fingers at the opponent
Shield: Cross arms over chest
Reload: Pull fists back to hips