Ragnarok Odyssey: Ace is an enhanced version of the fantasy-themed action role-playing game Ragnarok Odyssey, specifically designed for the PS Vita. Released in 2013, this game is part of the Ragnarok Online series, and it features expanded content including new enemies, skills, and a new 'ACE Skill' system. Players can enjoy a rich, Norse-mythology inspired universe with real-time combat and expansive environments. The game also includes cooperative play modes, allowing friends to team up in their questing.