Final Fantasy XI (ファイナルファンタジーXI Fainaru Fantajī Irebun), also known as Final Fantasy XI Online, is a massively multiplayer online role-playing game (MMORPG), developed and published by Square (later Square Enix) as part of the Final Fantasy series. Designed and produced by Hiromichi Tanaka, it was released in Japan on May 16, 2002, for PlayStation 2 and Microsoft Windows-based personal computers in November of that year. The game was the first MMORPG to offer cross-platform play, connecting PlayStation 2 and personal computer, and the Xbox 360's first MMORPG. All versions of the game require a monthly subscription to play.