Realm of Rikonian Heroes Unlimited and Rifts rules for transforming robots, new super powers, and ultra heroes. Plus sci-fi images and offbeat humor. http://members.aol.com/Rikonian/rpg/rpg1.html

Heroes Unlimited: Brute Force Loads of content for Palladium Books' Heroes Unlimited. If Brute Force doesn't work, you're not using enough. http://members.tripod.com/~heroesunlimited/

Heroes Unlimited: S.N.A.I.L. Details the characters and equipment of a government organization dedicated to protecting America from aliens. http://www.geocities.com/Area51/Dimension/2163/hero.htm

Heroes Unlimited New villains and equipment. http://www.geocities.com/TimesSquare/Fortress/4895/hu.html

Event Horizon 2028 Description of a campaign and its participants, set in the early 21st century. http://www.geocities.com/eventhorizon2028/

Mutants Refuge Source material for new powers, weapons, equipment, NPC's and some more Heroes Links http://www.angelfire.com/mo/otherpage/index.html

All Hands Heroes Unlimited GM Tips, pre-generated characters, adventure ideas and new powers for GM's and players to use. http://www.geocities.com/heroesallhands/

Dan's Heroes Unlimited Page New material and proposed revisions; new and revised powers, system and house rules,and character stats. http://members.cox.net/d.steiner/HeroesUnlim

Marvel Super Heroes Adventure Game Wizards of the Coast's official site, with introductory material, rules clarifications, and product descriptions. http://philippe.tromeur.free.fr/marvel/Welcome.html