For questions specifically about the setting of the Star Wars franchise created by George Lucas, and about playing tabletop RPGs in that setting. There have been numerous official tabletop RPGs set in the Star Wars universe; see the full tag wiki for details and links to related tags. (Note that this tag is specifically for questions about playing tabletop RPGs in the setting – don't just add it to every question about an official Star Wars RPG system.)
For questions specifically about the setting of the Star Wars franchise created by George Lucas, and about playing tabletop RPGs in that setting. The setting was first introduced in the 1977 film Star Wars IV: A New Hope, and has been depicted in many other movies, books, games, and other media since then.
There have been numerous tabletop role-playing games set in the Star Wars universe:
Star Wars: The Roleplaying Game by West End Games (1987–1999), which is built on the D6 System. The first edition was published in 1987, and the second edition was released in 1992. WEG continued to publish products for this RPG until the company declared bankruptcy in 1998.
For questions about this RPG, use the star-wars-d6 tag.
The Star Wars Roleplaying Game by Wizards of the Coast (2000–2010), which is built on the d20 System. The original edition of this game was published in 2000, and a revised edition was released in 2002. Finally, WotC released the "Saga Edition" (which aimed to substantially streamline the rules) in 2007. WotC continued publishing products for this edition until it lost the Star Wars license in 2010.
For questions about this RPG in general, use the star-wars-d20 tag. For questions specifically about the Saga Edition, use the star-wars-saga-edition tag.
The Star Wars Roleplaying Game by Fantasy Flight Games (2012–present), which uses a unique dice system. This RPG actually consists of 3 different standalone games set during different periods in the Star Wars timeline:
Star Wars: Edge of the Empire, which is set shortly after the destruction of the first Death Star, and deals with characters on the fringes of galactic space. FFG originally released the beta version of the rules in 2012, and the Edge of the Empire core rulebook was published in 2013.
For questions about this product line, use the star-wars-edge-of-the-empire tag.
Star Wars: Age of Rebellion is set around the time of the film The Empire Strikes Back, and allows players to join the Rebellion. A beta version of the Age of Rebellion rules was first released in 2013, and FFG published the corresponding core rulebook in 2014.
For questions about this product line, use the star-wars-age-of-rebellion tag.
Force and Destiny (like Edge of the Empire) is set shortly after the destruction of the first Death Star and the death of Obi-Wan Kenobi, when Force-sensitive individuals and Jedi slowly start to re-emerge in hopes of rebuilding the Jedi Order. The beta-version rules were originally released in 2014, followed by the publication of the core rulebook in 2015.
For questions about this product line, use the star-wars-force-and-destiny tag.
(Note that the star-wars tag is specifically for questions about playing tabletop RPGs in the setting – don't just add it to every question about an official Star Wars RPG system.)