r/threebodyproblem is a subreddit with 94k members. The community frequently discusses book, death's end, dark forest, three body problem, and cheng xin, and they frequently recommend/review science fiction and sci-fi novel, and the most common flair used is discussion - novels, discussion - general, meme, discussion - tv series, and art.
Anything and everything to do with Liu Cixin's award winning book 'The Three-Body Problem', and the 'Remembrance of Earth’s Past' trilogy.
Popular Topics in r/threebodyproblem
#1
Book
13 posts
#2
Death's End
7 posts
#3
Dark Forest
7 posts
#4
Three Body Problem
5 posts
#5
Cheng Xin
5 posts
#6
Luo Ji
5 posts
#7
Dark Forest Theory
5 posts
#8
Netflix
4 posts
#9
Sophons
4 posts
#10
Zhang Beihai
4 posts
Products Discussed in r/threebodyproblem
Science Fiction
29 reviews
#1
Adrian Tchaikovsky
5.0★ from 2 reviews
#2
Andy Weir
5.0★ from 2 reviews
#3
Sue Burke
4.5★ from 2 reviews
Sci-fi Novel
14 reviews
#1
Liu Cixin
5.0★ from 2 reviews
#2
Isaac Asimov
5.0★ from 2 reviews
#3
Alastair Reynolds
5.0★ from 2 reviews
Flair Used in r/threebodyproblem
#1
Discussion - Novels
: "Are there any book series that would give me the existential dread that 3 body problem did?"
31 posts
#2
Discussion - General
: "I just realized I’ve been picturing Trisolarans as the lice from South Park for the last five years"
18 posts
#3
Meme
: "A thought occured while reading forest"
11 posts
#4
Discussion - TV Series
: "Season 3 shooting in Budapest"
6 posts
#5
Art
: "Three People: Wang Miao, Luo Ji, Cheng Xin"
5 posts
#6
News
: "For the first time in history, Harvard scientists have detected radio signals from a planet outside of our solar system, nearly 64 light years away. Unfortunately, scientists don’t think it’s alien life."
3 posts
#7
Discussion
: "Weekly Discussion Thread - September 27, 2026"
3 posts
Member Growth in r/threebodyproblem
Yearly
+13k members(15.8%)
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Last updated: October 1, 2026