To go along with something I have found really helpful in understanding settings, for the sci-fi game I attempt to run on Mondays or whenever able (a spacehulk style dungeoncrawl) I would use this helpful threefold method:
Tastes Like: Deep Fried Corn Dogs with a Whisky Chaser.
Sounds Like: Copperhead Road
Looks Like: Alien
Cthulhu Fhtagn! Cruz Edition.
5 hours ago