Hulks and Horrors is an RPG about exploring the dark reaches of space for riches. It’s a pay-what-you-want product.
link
Role Playing Games
Tales of the Grotesque and Dungeonesque: Gothic Compendium For RPGs
Tales of the Grotesque and Dungeonesque is billed as a “Gothic Fantasy Compendium For Old School Fantasy Role Playing Games.”
I found it quite interesting, especially the introduction, which covers the whole concept of Gothic Literature.
Fantasy Fudge
Fudge is a free — and free to adapt — rules-light RPG that has been ported to a great many settings. At the link below, you’ll find FUDGE (Freeform Universal Donated Gaming Engine) Fantasy rules.
Powers and Perils RPG
Powers and Perils was Avalon Hill’s answer to Dungeons and Dragons. In fact, it was written by Richard Snider who also had worked with D&D co-creator Dave Arneson.
I’ve got a copy of the original. You can find the rules for Powers and Perils at the Link
Dungeon Squad RPG
From the website:
Dungeon Squad is a role-playing game designed expressly for young players with short attention spans who demand action and fun. There is a lot of die rolling and some amusing shopping and number-crunching. Characters can be generated in 3 seconds.