“Princess” is a series of two unconventional Role-Playing Real Escape games. The first is smaller with an easier setting which serve as the introduction of the whole story and grab public’s attention. The second one is a bigger social puzzle escape game, which will extend the boarder of simple puzzle solving to a group role-playing experience. The escape games includes riddles, scientific experiments, projection arts, and technical apparatus. Players have to be observant and use their critical thinking skills to complete their missions as well as find their ways out.