Oh my goodness. +Chris McDowall 's Into the Odd is the business. Personal gaming context: I've been thinking up some campaign possibilities for a gaming group. One of the notions I've been playing with is a dungeoncrawl. The setting for the dungeoncrawl is the modern world. Players can equip themselves with anything you'd find on Amazon, or at Home Depot, or from some weirdo internet swordsmith. The PCs live in a city (I've been thinking I'd make up a forgotten borough of NYC). Of course, the city is sitting on top of a megadungeon. The gist: There are secret urban spelunking clubs. Most of the wealthy families in town can be traced back to an ancestor who was in a club. The Borough President is intent on stopping the clubs, and closing up any passages to the Underworld that are discovered. The Municipal Sewer Authority is rich and powerful and unruly. The deeper you go, the less technology works, and the more mythic things become. Be nice to the rats, b...