Additional
Information: Universal isn't as much a Genre as a category for RPG
systems that try to work in all genres.
The "related" categories aren't completely Universal, but cover many Genres.
Necrotech's Universe of T.W.E.R.P.S. Necrotech's Universe of T.W.E.R.P.S.: A space opera setting for The World's Easiest Role-Playing System, presented in English and German. (Universal) http://www.twerps.de/
Shards of the Stone Shards of the Stone: Detailed world setting with multiple realms divided by schisms of time. Rules available for FiveStat, Fuzion, and d20 conversions. (Universal) http://www.shardsofthestone.com/
BID-IT BID-IT: A diceless RPG system that uses the concept of bidding during task resolution. Contains characters sheets in PDF format and a description of the game. (Universal) http://www.rpg-pro.com/bid-it/
Mythic Role-Playing Mythic Role-Playing: Assists game masters in creating adventures without preparation. For use as a stand-alone role-playing game or as a supplement for other systems. (Universal) http://www.mythic.wordpr.com
Basic Role-Playing System Basic Role-Playing System: Core rules, and descriptions of some campaign settings. Avaliable in English, French and Italian. (Universal) http://www.basicrps.com/
Additional
Information: Universal isn't as much a Genre as a category for RPG
systems that try to work in all genres.
The "related" categories aren't completely Universal, but cover many Genres. 
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