Hulks and Horrors is an RPG about exploring the dark reaches of space for riches. It’s a pay-what-you-want product.
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science fiction
Giant Spiders From Outer Space
Giant Spiders From Outer Space is a set of free wargames rules for reliving your favorite 1950s sci fi movies:
This is game is inspired by those Science Fiction movies of the 1950’-1970’s that we all love. A metorite hits the countryside somewhere and reveals to be the egg of a giant Spider. You are in command of an Army unit with a vital mission: kill it…. and save the Earth!
Valkyrie Science Fiction Rules
ACP offers Valkyrie, a set of free wargames rules for science fiction company level games.
Greater Space Battles
Greater Space Battles is a set of solo rules for space battles using miniatures from Solipsist Games.
Space Fleet 2014
Space Fleet 2014 is a set of free wargames rules for fleet actions. It can be played on a hex grid or open tabletop, and there are rules for ship design, campaigns, sensors, and more.