Alternate Modern Day London - Based on the Neil Gaiman tale of a fantastic world underneath London. [Thx to UncleBear.com] Based on a BBC television show. Post Mortem Studios. is set in the fantasy London sub-world depicted by author Neil Gaiman A system based on the BBC TV series¸ this is a minimalist system where characters are described with 7 adjectives plus rated skills. ~5 pages HTML.