How to Convert Monsters from Other RPGs Role Playing Games have exploded across our culture in the last 50 years. It seems almost every science fiction and fantasy genre has at least one game devoted to it. Many have multiple games. Never have game players had such a richness of choice. Along with these choices we have almost as many RPG game systems. From the original system based on levels we have branched out to stat based, language based, story based, and card-based