Abstract
This study has produced a system that adds a variety of effects to Menko-game, and reviewed effects to increase people's fun. Modem games, such as video games have rich animations and sounds. However, old games such as Menko don't have them. This study assume that people's fun would be increased if old games had rich effects like modem ones. The purpose of this study is to check how people's fun is increased by effects, using a system that consist of a special stage of Menko-game with Mixed Reality. Mixed Reality is that of technology in general for fusing the virtual information in the real world.