This is meant to be a non-exhaustive list, in stream-of-consciousness order.
Dedicated systems
- Traveller (in its many incarnations throughout the past nearly 50 years and derivatives such as Cepheus, Hostile)
- 2300 AD (now a setting for Traveller)
- Cyberpunk (2013, 2020, V3.0, Red)
- Paranoia
- Eclipse Phase
- Lancer
- Star Wars roleplaying (different games by different publishers: WEG d6, d20, FFG NDS)
- Warhammer 40K
- 3:16: Carnage Amongst the Stars
- Shadowrun
- Apocalypse World
- Coyote & Crow
- SLA Industries
FATE based systems
- Bulldogs!
- Mindjammer
- Nova Praxis
- Diaspora
- Atomic Robo
OSR/d20 based systems
- Stars Without Number
- Starfinder
- Mothership
- CY_BORG
Year Zero
- Mutant: Year Zero
- Alien: The RPG
- Blade Runner: The RPG
- Coriolis – The Third Horizon
GURPS
A host of modules and supplements named after the subgenre, GURPS-style. GURPS Transhuman Space, Cyberpunk, etc.
Other systems
- Star Trek Adventures (Modiphius 2d20)
- Dune: Adventures in the Imperium (Modiphius 2d20)
- Rifts (Palladium)
- Robotech (Palladium)
- Scum and Villainy (FitD/PbtA)
- The Expanse RPG (Modern AGE)
Solo friendly
- Stoneburner
- Ironsworn: Starforged (PbtA)
- Hostile (Cepheus/Traveller)
Out of print/No longer developed
- Firefly RPG (Cortex Plus)
- Serenity RPG (Cortex Classic)
- Battlestar Galactica RPG (Cortex Classic)
- Gamma World (D&D)
- Space Opera
- Other Suns
- Albedo
- Space Master
- HARP SF
- Blue Planet
- Ringworld
- Living Steel
- High Colonies
- Jovian Chronicles
- Heavy Gear
- Justifiers
- Star Frontiers
- Universe
- CORPS
Have a suggestion to improve this? Your favorite game missing? Leave a comment.
BattleTech! That’s the one. Didn’t know they made an RPG out of it.
Firefly is an out of print Cortex Plus game by Margaret Weis Productions. It’s in the list as well as Serenity (the Cortex Classic game by MWP, isn’t IP licensing fun?).