A Shanghai-based Chinese publishing company focused on mobile games, founded in 2014. Successor to CEO Yao Meng's previous company, GameMaster. Has a subsidiary in [[Yostar Pictures]].

Only use this tag for crossovers between their games.

h1. Notable published games
* [[Aether Gazer]]
* [[Arknights]]
* [[Azur Lane]]
* [[Blue Archive]]
* [[Guardian Tales]]
* [[Mahjong Soul]]
* [[Revived Witch]]
上海悠星 Yostar yostar