So are many social games. The whole levels-experience mechanism that sits at the heart of nearly all free-to-play games? That's from D&D. The idea of games and storytelling, branched narrative and player-driven choice? Also from D&D. D&D also … Although video games tend not to have a dungeon master to moderate their action and drive their story, for many digital game designers that kind of player-game relationship is the goal. Designers foresee a point when