Worlds of Ultima is the "brand name" of the two games in the Ultima series, created using the Ultima VI engine, that take place in other locales besides Britannia. * Worlds of Ultima: The Savage Empire * Worlds of Ultima: Martian Dreams A third game in the Worlds of Ultima series was in development, and set to use the Ultima VII engine, but was never completed. In fact, eventually it lost its Worlds of Ultima status, before being cancelled: * Arthurian Legends