From publisher blurb: Quick and easy role-playing rules for any genre OneDice is an easy, quick and flexible Roleplaying Game (RPG) system. Whether you want to design worlds where you play mighty barbarians exploring a fantasy realm, rebels on the run in outer space, superheroes fighting supervillians, or anything else, the OneDice system has been developed to be easily adaptable for your games. OneDice Universal Revised contains all the original material from OneDice Universal, along with a host of new simple optional rules, gathered together for your convenience.