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GURPS Lite - http://www.sjgames.com/gurps/lite/
Free 32 page PDF version of the GURPS rules. "Covers the essentials of character creation, combat, success rolls, magic, adventuring, and game mastering." |
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Impresa Modular Roleplaying System - http://www.pigames.net/impresa.php
Modular RPG construction set. Free express rules for download include open collaborative license. |
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The Window - http://www.mimgames.com/window/
Flexible, modular rules built around three gaming precepts. |
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DUDE Role-Playing Game - http://kuoi.asui.uidaho.edu/~kamikaze/DUDE/
This diceless universal determination engine is a one-stat, cinematic, freeform RPG, with several sourcebooks. |
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Epitome - Continuous Roleplaying Game - http://www.ekkaia.org/rpg/epitome
Freeform organic diceless system that puts system mechanics in the hands of the users. |
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Nuelow - http://kuoi.asui.uidaho.edu/~kamikaze/Nuelow/
Series of interlocking games that focus a little more on love (both in the ideal and carnal sense) than those that have proceeded it. |
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The Ladder - http://www.geocities.com/mithrapolis/ladder.html
A generic rules-lite roleplaying game that utilises neat little character descriptions and a five-rung ladder of task results as the core mechanic. |
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Ex Mortis V 1.0 BRPS - http://www.angelfire.com/games3/exmortis/
Ex Mortis base role playing system. Free to the public. Fully functional RPG. |
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Oroborus multi-genre RPG - http://www.ragnarokpress.com/oroborus/
Rules light, point allocation, skill based game from Ragnarok Press. |
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EGO-Endless Gaming Options - http://red-irish.itgo.com/Games.html
A simple, universal system, with a stable core rule, a complete foundation, and plenty of room for modifications. Free to all. |
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OPIGS: - http://www.homebrew.net/games/opigs.html
Simple one page gaming system. |
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Alternate Realities - http://www.karimnassar.com/AR/
A free universal RPG by Carter Butts, Karim Nassar, and Brian Rayburn. Approx. 88 pages (HTML, MS Word, Postscript). |
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Infinite Horizons - http://ih.trawna.com/
Freely available rules for a multi-genre role-playing game and supplements. |
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Dramats Personae - http://www.malaan.com/dramatis/dramatis.htm
Free simple role-playing system; there are no statistics, little math, no complex charts of equipment, and no magic. Characters represent skilled, but human (or roughly human), beings and have to use their wits rather than their powers, attributes or magic items to succeed. |
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POLY, a free, customizable system for table top and LARP - http://www.angelfire.com/rpg2/undermine/index.html
A modular system that is adaptable to many styles of play. |
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Generic Roleplaying All Purpose Engine - http://unseelie.org/grape/
A free, one page, generic game system. |
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Alpha-Zulu Games - http://www.alphazulugames.com/
Contains to free games: Alternacy, featuring character-driven skill development; and Mnemonic, a minimal rules, memorizable system designed for portability. |
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ToAd - http://www.talesofadventure.net/1whatsnew/
A model reality kit, where what seems real is real. |
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Percentile Dice Game System - http://www.geocities.com/antikrist669/
A 2 ten sided dice using system released under the Free Gaming License. |
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Simple Rules Engine - http://dmsteve-jp.tripod.com/
A two page generic skill and attribute based roleplaying engine, focused on characters and stories. |
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Kaleidoscope RPG Support Page - http://www.fantasylibrary.com/lounge/kaleidoscope/kaleid.htm
An open ended system that adapts to a range of settings and genres with few rules. |
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The Awakenings Rules Engine - http://www.geocities.com/tare_rpg/
TARE, a universal rules engine. The complete basic rules are currently free, with two commercial campaign settings available for it. |
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OPIGS Supers - http://www.homebrew.net/games/opigs.supers.html
One page gaming system for super heroes. |
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Fantastic Realities - http://jeremy.gagliardi.com/Real-Playing/
Works with any time period and genre, includes 16 species, magic and monster systems, and realistic rules all of which are optional. |
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Universal - http://www.angelfire.com/games4/doctorwhoeyespy/index.html
Features a free, universal roleplaying game system. Also includes supplements for the fantasy and Doctor Who genres. |