Wizards of the Coast provided this image of the digital game table for 'Dungeons & Dragons' Insider. 'Dungeons & Dragons' has never quite become mainstream entertainment, but it has inspired role-playing computer games like 'World of Warcraft' to borrow its principles and turn them into a multibillion-dollar industry. The next edition of the game, due out in June, will for the first time be paired with online features that the publisher hopes will lure lapsed players back to the dungeon.