From the introduction: NecroMech, a Dark Fantasy Role-Playing Game in a Post WW2 Alternate History Setting; one in which the world has been irrevocably altered by the “Rip”, a catastrophic event triggered by the dropping of the atomic bombs on Hiroshima and Nagasaki. Conjoined with a hellish Otherside our heroes and villains, using newly awakened or graft-stimulated psychic talents, fight for survival and power. For some the creatures released into the Wastes of what was once Japan must be destroyed while for others they are the source of that power...