Monster Hunter Frontier Online (モンスターハンター フロンティア オンライン, Monsutāhantā Furontia Onrain) is a massively multiplayer online role-playing game (MMORPG) for Microsoft Windows and is the first spin-off in the series to appear on the platform. It is the only MMORPG in the series. Monster Hunter Frontier has also been released on the Xbox 360 in Japan on June 24, 2010, where it sold 93,000 copies during the launch week. It is also continually updated through expansion packs.