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." Hyper - Generic role-playing game. Official site. SLUG - Simple, Laid-back Universal Game. By Steffan O'Sullivan. The Window - Flexible, modular rules built around three gaming precepts. Ex Mortis V 1.0 BRPS - Ex Mortis base role playing system. Free to the public. Fully functional RPG. Prism - A versatile multi-genre free RPG by Frank J. Perricone. It is a modular system originally intended for use with Rolemaster's combat system. Over 100 pages, illustrated. GAME - Skill- and attribute-based rules designed to fit on one page. SAGA - A small system using attribute based dice pools. Poly - A modular system that is adaptable to many styles of play. Generic Roleplaying All Purpose Engine - A free, one page, generic game system. 3Muse D6 RPG System - Free multigenere RPG system. Currently has fantasy and SuperHeroe rules. Infinite Horizons - Freely available rules for a multi-genre role-playing game and supplements. Role Playing System - Foundations for a game system, reference implementation of that system and resource page to develop game worlds. Alpha-Zulu Games - Contains to free games: Alternacy, featuring character-driven skill development; and Mnemonic, a minimal rules, memorizable system designed for portability. Draft RPG - A small set of rules suitable for running campaigns of independent backgrounds. Open content license, downloadable in PDF format. OPIGS Supers - One page gaming system for super heroes. OPIGS: - Simple one page gaming system. Universal - Features a free, universal roleplaying game system. Also includes supplements for the fantasy and Doctor Who genres. Simple Rules Engine - A two page generic skill and attribute based roleplaying engine, focused on characters and stories. EGO-Endless Gaming Options - A simple, universal system, with a stable core rule, a complete foundation, and plenty of room for modifications. Free to all. Epitome - Freeform organic diceless system that puts system mechanics in the hands of the users. 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. Hexatome: Exploiting the Number of Six - Light-weight role playing game rule system which emphasizes simplicity as well as the scenario and fluently progressing plots. Fantastic Realities - Works with any time period and genre, includes 16 species, magic and monster systems, and realistic rules all of which are optional. Cyno's Roleplay - A universal RPG by Chieh Cheng. Approx. 33 pages HTML rules, plus four 10-15 page genre books (fantasy, modern, near-future).