FOG inc. was a publisher and developer established in December 1996 by Noriyuki Munekiyo, who had previously worked as a producer at I'Max. The company was known for its visual novel and mystery adventure games, particularly the Fūraiki and Missing Parts series.
Munekiyo was the company's president until his death in February 2016, at which point all assets were transferred to Nippon Ichi Software. The company was officially dissolved in December 2021, with the name becoming solely a publishing brand of NIS.
