Gurumin: A Monstrous Adventure, known simply as Gurumin (ぐるみん) in Japan, is an action/adventure video game developed by Nihon Falcom Corporation. Originally released on December 25, 2004 for PC. A PSP version was later released in Japan on June 29, 2006 and North America on February 13, 2007. A Steam version was also later released on March 30, 2015.The name Gurumin is likely derived from the Japanese words ぐるぐる (guruguru), which means spinning, and 民 (min), which means people.