Who am I? How do I live a good life? What is reality? Such perennial questions may seem remote from the pleasures of playing videogames for entertainment and fantasy. Yet gamers too, in the midst of having fun, are potentially embarked upon a quest for understanding and for meaning. Missions for Thoughtful Gamers presents a sequence of 40 challenges, ranging from thought experiments to design exercises, each one inviting players to become more creatively curious and self-aware.