Alternity

Alternity was a science fiction role-playing game (RPG) published by TSR in 1998. It was discontinued in 2000. It retains a small but devoted fanbase.

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Like the d20 system, the most rolled die in the game was the d20, but instead of applying set modifiers or difficulties to the rolls a second die was rolled and added to or subtracted from the d20 roll and the result was compared to a character's skill score. Designed to be a generic rule set around which a campaign world could be built, it was not very heavily marketed and suffered from mediocre sales which, along with increased focus on the d20 system, led to the discontinunation of the game in 2000.

Science fiction: Science fiction is a form of speculative fiction principally dealing with the impact of imagined science and technology upon society and persons as individuals. In common with most fiction, science fiction is written mainly to entertain people. The borders of this genre are not well defined, and the...

Role-playing game: :This article is about traditional role-playing games. See computer role-playing games for their digital counterparts....

TSR: TSR has a number of meanings....