There's thatThere is an old urban legend about thean arcade game Polybius.
An arcade machine that would have been made to be a government experiment, appeared just for a few days in a few arcades, and then some men in black took it away, never to be seen again.
So is there a nugget of truth to this myth? Did the game ever exist? Or was it all created from nothing just to be a creepypasta?