Senator Arjun’s rules are for games in the Star Wars Universe. Each player controls a squad or more of figures. There also are rules for jedi, droids and various villians
science fiction
Cap’n Arjun’s Starship Rules
Cap’n Arjun’s rules are a generic set of free wargames rules for starship combat.
It looks as though the entire rules set could fit on one piece of paper, so if one page rules are your thing …
Farscape: The Card Game
Farscape is one of my favorite science fiction series, though like many, its life was too short. You can relive the adventures with the print-and-play Farscape card game.
Hammer Wars 1.5 One Page Rules
Hammer Wars 1.5 is a set of one page wargames rules that mashes up Warhammer 40K and Warhammer Fantasy: What if a 40K troopship crashed on the Warhammer Fantasy World.
Battlestar Galactica Express Game – Now Dark Moon
Dark Moon is a free print and play board game that originally began life as Battlestar Galactica Express. From the BGG description:
In Dark Moon (formerly known as BSG Express), players are blue collar miners working at the edge of space, draining the mineral deposits from Saturn’s largest moon, Titan. When an incident occurs, infecting some of the crew with an unknown pathogen, things begin to rapidly spin out of control. Players must perform repairs, maintain life support, and fortify the shield that protects the outpost from Titan’s harsh environment in order to survive long enough for rescue to arrive. However, not everyone is interested in survival. Whom can you trust when your best friend might be trying to kill you?
Roll dice, point fingers, quarantine players, and (maybe) betray your friends, all in 60 minutes. Will you escape from Titan, or will you perish on the Dark Moon?