[Shenandoah]

They can, but they'd look nuts. And they can't lose the bracelet as getting rid of it doesn't opt you out of the game. Players are decided by 'random' after they try to get into the Game. Yes, the players look a bit nuts while 'miming attacks' but normal people tend to rationalize the game away. "That person tripped" when in reality they were thrown several feet, for instance. And yes, players are seen by both monsters and regular people. Regular people can't see the monsters, though. It's like there was a change in the minds or body of the players that made them real and visible to these monsters.