Dragonsphere

"Dragonsphere is a single-player Fantasy Quiz game with an outstanding story and good graphics. As the newly-crowned King of Callahach, you have 20 years to save the world from the evil Sorcerer Sanwe, whose malevolent force will consume the land. Journey through a fully realized fantasy world, solve mind-bending puzzles, and perform an unprecedented range of actions using the MAD system, all accompanied by dazzling state-of-the-art graphics, haunting music, and fully digitized speech."