GrimDark Racing is a set of simple rules for races in the Warhammer 40K universe. Just use models you already have. There’s plenty of violence, of course.
science fiction
Paper Dungeons and Starship Decks
Germ’s World has a two sets of paper corridors for use as terrain with your wargames: a set of dungeon corridors and a set for science fiction. The sets include wall sections of various lengths, crossroads, junctions, staircases, archways, pits, traps and more. They are easily as good as many of the commercially available sets. You could use these for any number of games, including Games Workshop’s Space Hulk or Warhammer Quest, WizKids’ MageKnight Dungeons, or just a regular Dungeons and Dragons slaughterfest.
Blade Runner As A Classic Noir Film
This is a great recut of BladeRunner as a classic “noir” film. Worth two minutes to watch. I’m of the opinion that BladeRunner is the finest science fiction film every made.
Slammer Skirmish Science Fiction Rules
Slammer Skirmish is a set of free wargames rules for science fiction skirmishes. The author writes:
Slammer is a set of wargame rules for Science Fiction skirmish games using miniatures. Slammer is not tied to any specific background or company product line, you can use whatever figures or models you have. I intended from the start that Slammer would be flexible and adaptable to different scenarios. I have intentionally kept it fairly ‘loose’, particularly in areas like troop motivation and Hollywood heroics. Slammer is meant to be fun!
Mass Combat Rules For Role Playing Games
The Wrath of Zombies blog has a set of free RPG rules for Mass Combat. While written for the author’s own Thundarr style game, they are applicable to a wide variety of rules and settings.