High Quality Content by WIKIPEDIA articles! Star Trek Online, often abbreviated as STO, is a massively multiplayer online role-playing game (MMORPG) developed by Cryptic Studios based on the popular Star Trek series created by Gene Roddenberry. The game is set in the 25th century, 30 years after the events of Star Trek Nemesis.Star Trek Online is the first massively multiplayer online role-playing game within the Star Trek franchise and was released on February 2, 2010. At launch, the game required a game purchase and a recurring monthly fee. On January 17, 2012 it relaunched with a tier of free-to-play access available. However,due to it being transferred to free to play, the game is no longer available as a retail game and can be downloaded from Perfect World.