Vanguard Free Roleplaying
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Vanguard Free Roleplaying (VFR) is a free science-fiction role-playing game about characters in the vanguard of a technologically advanced civilization that is moving into space. VFR is about 130 pages. Its rules sections include an introduction¸ character creation¸ action resolution¸ combat¸ and medical rules. Its background sections include a historical timeline¸ overviews of politics and economics¸ a short chapter that explains how to play law enforcement campaigns¸ and descriptions of weapons and equipment. Description taken from theVanguard Games Website.
Vanguard Spaceships is a complete set of rules for designing spaceships and running spaceship combat in the Vanguard universe. It was written to be used with Vanguard Free Roleplaying (VFR)¸ but it works as a stand-alone game¸ too.