Ragnarok Odyssey (Japanese: ラグナロクオデッセイ) is a role-playing video game for the PlayStation Vita system. It is based on the universe of the MMORPG Ragnarok Online, containing many elements of Norse mythology. It was released in February 2012 within Japan, August 21, 2012 in South Korea, October 30, 2012 in North America and February 20, 2013 in Europe. An updated version called Ragnarok Odyssey Ace has been released on PlayStation Vita and PlayStation 3.