Publisher Mastiff has announced that it will be releasing Nihon Falcom's action-RPG, Gurumin: A Monstrous Adventure, on Steam. The game will be released on the service on March 30, 2015, although the price has not yet been revealed.

Mastiff previously released Gurumin: A Monstrous Adventure in English for PlayStation Portable in 2007. The game was originally released for PC in Japan before being ported to the handheld. The Steam version is said to include updated graphics, as well as some other new features that are yet to be revealed.

Gurumin features a young girl name Parin who rescues another girl being attacked by a dog. The girl turns out to be a monster, invisible to adults, and Parin ends up being invited to Monster Village, where she become embroiled in a scheme by evil spirits to kidnap its inhabitants. A trailer for the PlayStation Portable release of the game can be viewed below.