Nibiru is a Science Fiction Roleplaying Game of Lost Memories. Players take on the role of Vagabonds: amnesiacs lost in a massive space station, home to millions, where stories of drama and struggle are written on a daily basis. The Nibiru Corebook features everything you need to play the game. -An introduction to the Skyless World, and to human history on the third Flicker. - Three fully detailed chapters with sample settlements and maps, for the known regions of Antumbra, Penumbra and Umbra, and featuring a large foldable insert to track your journeys across the Skyless World.