In 1997, MicroProse released a "Master of Orion" "Jr." scenario as part of the "Civ II: Fantastic Worlds" expansion for "Civilization II". In 2001, "Star Lords", developed as "Master of Orion" prototype, was released as freeware as part of the promotion for "Master of Orion III". Also a potential future release of the MOO and MOO2 source code was indicated by the MOO3 developers in 2001. In 2011, a clone of "MoO II", titled "Starbase Orion", was published by Chimera Software, LLC for the iPhone. The game setting has been the influence of Russian writer Sergey Lukyanenko's trilogy, the "Line of Delirium".