Lucifer's dragon - Jon Courtenay Grimwood

Passion di Orchi is no more than the obscenely rich daughter of a West Coast mafia boss - until she decides to rebuild Venice. In the middle of the Pacific. A century later, with New Venice ossified into a puritanical elegance, the daughter of Count Ryuchi slips away from her father's palazzo, out to the levels to play Lucifer's Dragon. A multi-level, self-perpetuating, true 3-D trawl through the Apocalypse, Lucifer's Dragon is coded so the game never repeats its own failures. But an altercation in a bar puts Karo on a collision course with NVPD officer Angeli, drafted in by media giant CySat to investigate a murder she knows way too much about. And then there's Razz, the silver exotic. Too tired and jaded to keep living, she takes on the job of guarding CySat's ultimate boss, the ten-year-old Aurelio. With all the high tech security in place, it should be a walk in the park. But the last thing Razz sees is CySat's child-ruler making too close an acquaintance with an Uzi, and then she wakes up in Zurich. Dead…