MUYOU is a brand under the umbrella of Muyou Technology, a Beijing-based company established in 2015. They specialize in the development, promotion, consulting, and servicing of technology. Their primary focus is on the creation of engaging and immersive mobile games for the internet.

One of their notable products is Zuoyaoji (作妖计 in Chinese), a RPG+strategy mobile game. This game offers a diverse range of interactive gameplay, allowing players to train and level up their protagonist demon king, team heroes, and exclusive demon pets. Once players have achieved a certain level of strength, they can engage in treasure hunting to steal from other players and participate in competitive gameplay to challenge fellow gamers.

Additionally, players can team up with friends to conquer dungeons and participate in various tournaments. In Zuoyaoji, players can also create their own guilds and build their dynasty. Muyou Technology is committed to developing fun and exciting games to enhance the gaming experience for Chinese players