Final Fantasy XI, also known as Final Fantasy XI Online, is a massively multiplayer online role-playing game (MMORPG) developed and published by Square Enix. Set in the fantasy world of Vana'diel, players embark on epic quests, explore diverse environments, and engage in strategic battles with a variety of creatures. It was the first online game in the Final Fantasy series and allowed players from different platforms to interact in the same virtual world.