The roleplaying system designed specifically for Ultraviolet Grasslands! SDM: your gateway to a strange trip through the uncharted territories of post-consciousness. Dare to dream bolder, play fiercer, and transcend the mundane - the Synthetic Dream Machine awaits. A psychedelic roleplaying game with dice and a referee. SDM: the anti-canon rpg system formerly known as SEACAT. Eternal Return Key: an alternate start for the Ultraviolet Grasslands and the Black City.
