Craps in London had been the joint epithet for the numbers two and three, which in hazard are the only permanent instant losing numbers for wagers on Pass. For a century after its invention, craps was abused by casinos using unfair dice. To remedy the problem, in approximately 1907, a Philadelphia dice maker named John H. Winn introduced a layout which featured bets on both Pass and Don't Pass. Most modern casinos use his innovation. Craps exploded in popularity during World War II, which brought most young American men of every social class into the military. The street version of craps
Dice pool the system goes into. They also provide players with a physical representation for the modifiers, as real, concrete dice are added to the pool (or taken away from it). Some people also find rolling a large handful of dice fun in its own right. The other thing dice pools allow is opening up a lot of design space for game designers; if something other than the number on the dice is important, the number itself can be used to add richness to the system. West End Games's "Ghostbusters" role-playing game by Greg Stafford, Lynn Willis, and Sandy Petersen featured a