r/mysteryfiction is a subreddit with 4k members. The most common kinds of discussions are advice requests and ideas, 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 mysteries have you been reading or watching? - June 2026"
9 posts
#2
Ideas
: "How I Built Unreliable Narrator Across Three POVs in My Noir Thriller — Three Drafts of Evidence"
3 posts
#3
Self-Promotion
: "Listen to our podcast on The Murder of Roger Ackroyd 🎧 by Agatha Christie 🤗"
2 posts
Popular Topics in r/mysteryfiction
#1
Mystery
: "[TOMT][MOVIE][2000s] Live-action Canadian coastal ghost Mystery about a girl named Isabel"
41 posts
#2
Crime
: "The Best Sci-Fi Crime Novels of 2025"
18 posts
#3
Detective
: "The Amnesia. Origin of Detective Bose. I don't know, is it good or bad but i was genuinely on my toes during reading."
15 posts
#4
Fiction
12 posts
#5
Mysteries
: "What Mysteries have you been reading or watching? - June 2026"
8 posts
#6
Novel
: "Psychological noir crime Novella "Silence" now available!"
7 posts
#7
Time Traveler
: "The Time Traveler's Tale Part 6"
7 posts
#8
Books
: "Thoughts On New Books by Deceased Authors (Pastiches)"
6 posts
#9
Time Travel
: "The Time Traveler's Tale [Full Story]"
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 mysteries have you been reading or watching? - July 2026"
14 posts
#2
Other
: "The Best Sci-Fi Crime Novels of 2025"
7 posts
#3
Question
: "Can institutions be the unreliable narrator?"
5 posts
#4
Recommendation request
: "Quick! About to start work! Which should I start next?"
4 posts
Member Growth in r/mysteryfiction
Yearly
+471 members(13.6%)
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About
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Last updated: October 30, 2026