Kikiyama is a Japanese game developer best known for creating the indie horror game Yume Nikki. Released in 2004, this game gained a cult following due to its unique dream-like exploration and surreal atmosphere. Players navigate through various dream worlds, encountering strange characters and environments, which contribute to its enigmatic storytelling. Kikiyama remains an enigmatic figure, with little personal information publicly available. The developer has not engaged extensively with the gaming community, which adds to the mystique surrounding Yume Nikki. The game's influence has led to various fan projects and inspired other indie games in the horror genre.