ウェブGamepot. GMO Gamepot, Inc. (GMOゲームポット株式会社, GMO Gēmupotto Kabushiki-gaisha) was one of Japan 's leading game publishers of massively multiplayer online games and mobile games. [2] History. GMO Gamepot was founded in 2001 as Gamepot Co., Ltd. (株式会社ゲームポット, Kabushiki-gaisha Gēmupotto).