r/mysteryfiction is a subreddit with 4k members. The most common kinds of discussions are advice requests and self-promotion, and the community frequently discusses mystery, crime, detective, fiction, and mysteries, and they frequently recommend/review cozy mysteries and whodunnits.
A subreddit for all kinds of mystery & crime fiction. Any subgenre and any format is welcome as long as it's relevant.
Feel free to join the mystery fiction discord too! Link here:
https://discord.gg/jmmjcdzvFm
Popular Themes in r/mysteryfiction
#1
Advice Requests
: "What are your favorite mystery movies and why?"
18 posts
#2
Self-Promotion
: "Mystery author looking to build a community of readers for a new Substack newsletter"
2 posts
#3
Ideas
: "Created a mystery movie trivia quiz if anyone wants to play!"
1 post
Popular Topics in r/mysteryfiction
#1
Mystery
: "To add life to local writing, folks solve a murder Mystery at DeWitt library"
41 posts
#2
Crime
: "The Best Sci-Fi Crime Novels of 2025"
18 posts
#3
Detective
: "What is the difference between a noir novels, a Detective novel and a spy novel?"
15 posts
#4
Fiction
: "Mystery Fiction tropes (Warning: link to tvtropes.org. Might result in a wasted hour or ten)"
12 posts
#5
Mysteries
8 posts
#6
Novel
: "More amazing Edward Gorey art, from the John Bellairs Novel The Dark Secret of Weatherend!"
7 posts
#7
Time Traveler
7 posts
#8
Books
: "More Books like "The Promise" by Robert Crais"
6 posts
#9
Time Travel
6 posts
#10
Depredation
5 posts
Products Discussed in r/mysteryfiction
Cozy Mysteries
1 review
#1
Kathleen M. Cosgrove
4.0★ from 1 review
Whodunnits
1 review
#1
Cathy Ace
4.0★ from 1 review
Flair Used in r/mysteryfiction
#1
Discussion
: "What are your favorite mystery movies and why?"
12 posts
#2
Other
: "The Best Literary Crime Novels of 2024"
4 posts
#3
Recommendation request
: "Recently written very well plotted mystery novels"
1 post
#4
Question
: "Can institutions be the unreliable narrator?"
1 post
Member Growth in r/mysteryfiction
Yearly
+473 members(13.8%)
Similar Subreddits to r/mysteryfiction
r/BadMovieDescriptions
9k members
22.8% / yr
r/booksuggestions
1.4M members
7.7% / yr
r/crimefiction
1k members
13.3% / yr
r/ebookdeals
40k members
25.7% / yr
r/HistoricalFiction
23k members
74.9% / yr
r/horrorlit
624k members
15.5% / yr
r/mysterybooks
16k members
82.6% / yr
r/thrillerbooks
96k members
205.7% / yr
r/ThrillerNovels
5k members
6.2% / yr
r/UnresolvedMysteries
4.5M members
1.4% / yr
About
GummySearch helps people research Reddit communities by organizing activity, growth, themes, and post-level signals into one place.
This page gives a focused view of r/mysteryfiction, including current member size, discussion patterns, product reviews, and related communities to explore.
This data is synced periodically so insights stay current and useful for ongoing research.
Last updated: September 6, 2026