Alternity is a science fiction role-playing game (RPG) published by TSR in 1997. Following the acquisition of TSR by Wizards of the Coast, the game was discontinued in 2000 as part of a broader rationalisation of TSR's business holdings, but it retains a small and devoted fanbase. Parts of Alternity as well as TSR's classic Star Frontiers game were later incorporated into the d20 Modern game, especially the d20 Future setting. Star*Drive was the first campaign setting published for Alternity, and was introduced in 1998.