"You're cool dudes with a ship and can deliver cargo and stuff." is what most of the rulebooks for these games have in the way of advice.
@fdouglaswall @Yora a sci-fi #TTRPGs I can think of off the top of my head…
Star Wars
Star Trek
Babylon 5
Traveller
Traveller2300/2300AD
Without Number- Stars, Worlds, Cities
Space 1889/Space 1889: After
Torg
Fading Suns
Fantasy AGE-Titansgrave
Modern AGE- World of Lazarus, Threefold, The Expanse
Cypher System- Numenera, Planebreaker
Cyberpunk
Shadowrun
Dune
Star Frontiers
Starfinder
White Star
Cepheus Engine
FATE
There’s a wide range of sub-genres in there
@fdouglaswall @Yora fantasy TTRPGs I can think of off the top of my head:
D&D Oe-5e all settings
TDE/DSA The Dark Eye/Das Schwarze Auge
The One Ring
Fantasy AGE- Blue Rose
Arduin
Castles & Crusades (3e done right)
Dungeon Crawl Classics (basic 3e done right)
Adventures Dark & Deep (what if G.G. had stayed with TSR for 2e)
Adventurer, Conquerer, King (2e House rules)
Swords & Wizardry (Oe house rules)
OSRIC (1e retro-clone)
Pathfinder
Jackals
not a lot of variation there
@fdouglaswall @Yora and just cuz
Espionage/crime:
Gangbusters
Top Secret (Merle Rasmussen’s original)
Top Secret S/I
Top Secret: New World Order (Merle Rasmussen’s latest)
Supers:
Marvel
DC
Champions
Prowlers & Paragons Ultimate Edition
Mutants & Masterminds
ICONS
Horror:
Call of Cthulhu
Vampire the Masquarade
Werewolf
World of Darkness (see above)
Masque of the Red Death (technically 2e Ravenloft but rather unique with a lot of specialized mechanics not suitable for the rest of D&D)