r/scifi is a subreddit with 4.5M members. The community frequently discusses scifi, sci fi, books, book, and worst, and they frequently recommend/review sci-fi books, sci-fi literature, and sci-fi novels, and the most common flair used is recommendations, original content, general, films, and print.
Welcome to r/scifi, a home for all things science fiction, the heart of speculative fiction.
Join the discussion about your favorite books, authors, movies, shows, comics, and games — anything with a touch of science and imagination.
Popular Topics in r/scifi
#1
Scifi
31 posts
#2
Sci Fi
24 posts
#3
Books
20 posts
#4
Book
15 posts
#5
Worst
14 posts
#6
Struggling
13 posts
#7
Hate
13 posts
#8
Movies
12 posts
#9
Annoying
10 posts
#10
Space
10 posts
Products Discussed in r/scifi
Sci-fi Books
588 reviews
#1
Adrian Tchaikovsky
4.7★ from 14 reviews
#2
Iain M. Banks
4.9★ from 11 reviews
#3
Andy Weir
4.8★ from 11 reviews
Sci-fi Literature
142 reviews
#1
Isaac Asimov
4.8★ from 5 reviews
#2
Orson Scott Card
4.8★ from 4 reviews
#3
Frank Herbert
4.5★ from 4 reviews
Sci-fi Novels
96 reviews
#1
Alastair Reynolds
4.7★ from 7 reviews
#2
Jack McDevitt
4.7★ from 3 reviews
#3
Stephen Baxter
4.7★ from 3 reviews
Flair Used in r/scifi
#1
Recommendations
: "Slow Gods by Claire North"
19 posts
#2
Original Content
: "I finished the 2nd draft of the sequel to my debut sci-fi novel!"
15 posts
#3
General
: "What sci-fi show has the best “lived-in” universe?"
11 posts
#4
Films
: "Lesson: never let science get in the way of fiction"
8 posts
#5
Print
: "Dungeon Crawler Carl appreciation post"
6 posts
#6
Art
: "I was bored and my ADHD made me design this cover. (Open the image)"
4 posts
#7
Community
: "What sci-fi universe has the coolest ships?"
3 posts
#8
Games
: "Project Stardust's Original Designs"
2 posts
#9
ID This
: "please help ID this 2000s sci fi/scary story anthology!"
2 posts
#10
TV
: "Pluribus is about Water & God, actually"
1 post
Member Growth in r/scifi
Yearly
+81k members(1.8%)
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About
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Last updated: October 23, 2026