Gravity Co., Ltd. develops, publishes, and distributes online games in South Korea, Japan, the United States, Canada, Taiwan, the Philippines, Thailand, Indonesia, Hong Kong, and internationally. It offers a massively multiplayer online role-playing game, including Ragnarok Online, Requiem, Dragonica, Ragnarok Online II, and Ragnarok Prequel II, as well as Ragnarok Clicker, a Web browser-based role-playing game. The company's mobile games portfolio includes Ragnarok M: Eternal Love; Dawn Break; MR! PORORO; Ragnarok CRUSH; RO Click H5; Blood War M; Ragnarok H5; Ragnarok Tactics; and the Color of Dream Fantasy, Latale. It also provides console games, such as Ragnarok DS for Nintendo DS; Ragnarok: The Princess of Light and Darkness for PlayStation Portable; Ragnarok Odyssey for PlayStation Vita; Double Dragon II for Xbox 360; and Ragnarok Odyssey Ace for PlayStation Vita and PlayStation 3.In addition, the company offers games for IPTV; and markets dolls, stationery, food, and other character-based merchandises, as well as game manuals, monthly magazines, and other publications. Further, it provides system development and maintenance services, as well as system integration services to third parties. As of December 31, 2019, it owned 125 registered domain names. The company was founded in 2000 and is headquartered in Seoul, South Korea. Gravity Co., Ltd. is a subsidiary of GungHo Online Entertainment, Inc.