"It's got a fair amount of sex, violence, and filth. It's about quitting your punk band and going to live in a squat in Berlin, and finding a machine which takes you on horrible adventures."
Well this seems like pretty promising content for here.
Anyway, going to guess you're from the UK, since the Crystal Maze books were based on a UK game show. Certainly never saw either the show or the books here in the US.