I like the idea of playing russian roulette, but I think it needs some more clarity in what happens during each player's turn. Maybe show the revolver pointing to the player being shot.
Plus correct me if I'm wrong, but I think the rules are not accurate here. I think the player can either shoot themselves to end the turn, or shoot someone else and then themselves (if the bullet wasn't fired). The order of actions seems wrong in the game.
Overall it has some potential