Whether it's envisioning a world without men, or bringing Battlestar Galactica into the real world, live action role playing is an intriguing phenomenon. It's also one that's been the butt of plenty of jokes, thanks in no small part to movies like Role Models. But if you're still unfamiliar with the concept better known as LARPing, the BBC has a great primer that details everything from the rules to the costs involved. A few LARPers even explain what it is that makes them dress-up and wield a foam sword. "For most people, this is their holiday," says Louise Godfrey. "They come here to get away from the real world."