44: A Game of Automatic Fear is a free rpg set in a 1950s where a conspiracy is replacing humanity with robots.
science fiction
A Fistful of Sardaukar Dune Miniatures Game
A Fistful of Sardaukar is a set of free wargames rules for battles in the Dune universe of Frank Herbert.
No Limits Science Fiction Rules
No Limits is a set of free wargames rules for tabletop battles in science fiction universes. Any miniatures from any game can be used.
Ares Magazine #1 – WorldKiller The Game of Planetary Assault
The first issue of Ares Magazine featured a game called “WorldKiller, The Game of Planetary Assault.” There’s also an interesting article on the “most significant science fiction and fantasy games” by (among others) Greg Costikyan. It’s a nice little piece of history and a glimpse to what was state of the art nearly forty years ago.
Cheap Wargaming Terrain For Star Wars Legion And Other Science Fiction Games
This video has some really nice ideas for making cheap terrain for Star Wars Legion and other science fiction games.