Kingdom Hearts: Sinister キングダムハーツ: 不吉なKingudamu Hātsu: Fukitsuna Developer(s) Xelak Genre Action/Adventure Game Modes Single-Player Kingdom Hearts: Sinister is a third-person RPG for the Playstation 3, PSP, and XBox 360. Categories: Stories Kingdom Hearts: Sinister Community content is available under CC-BY-SA unless otherwise noted.