Are there any RPGs designed for the "intrigue aboard a gigantic-ass spaceship" subgenre of space opera?

Are there any RPGs designed for the "intrigue aboard a gigantic-ass spaceship" subgenre of space opera?

Less Star Trek: The Next Generation or Firefly and more Babylon 5 or Battlestar Galactica.

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You could take a look at this.

one of the new dark heresy books is set aboard a giant spaceship with its own weird culture.

Or this

Rogue Trader or Dark Heresy can both run this well.

Are there any systems or processes that are intended to help PCs be more enmeshed with the world and the NPCs, and the players to get attached to NPCs so they'll get really into figuring out who's a traitor and who they can trust, be more likely to let things slide because they WANT to trust someone, etc.?

Basically, what's the best way to make players care about NPCs so that they really feel the intensity of there being a spy in their midst and so on?

What mechanics do they have for social interaction and relationships?

>B5 campaign
aw fuck yes

Very little, dark heresy isn't designed for this.

Honestly something like a tweaked Monsterhearts would be best for Battlestar "rampant stds" Galactica

These don't seem very helpful - they seem to be encouraging the PLAYERS to socially interact rather than REPLICATING social interaction...
Thanks, user!