White Cat Project (Japanese: 白猫プロジェクト, Hepburn: Shironeko Purojekuto) is a free-to-play action role-playing game developed and published by Colopl for Android and iOS.It was initially released in Japan on July 14, 2014. An English version was released internationally under the title Colopl Rune Story and operated from July 23, 2015, to October 7, 2016. [4]