/r/sudoku/

r/sudoku

61k members
r/sudoku is a subreddit with 61k members. The community frequently discusses sudoku, help, puzzles, stuck, and techniques, and the most common flair used is request puzzle help, homemade puzzles, just for fun, daily game, and strategies.
This subreddit is for learning about and discussing the puzzle Sudoku and variants.

Popular Topics in r/sudoku

#1

Sudoku

278 posts
#2

Help

161 posts
#3

Puzzles

43 posts
#4

Stuck

43 posts
#5

Techniques

39 posts
#6

Puzzle

34 posts
#7

Struggling

19 posts
#8

Solve

16 posts
#9

App

15 posts
#10

Advanced

15 posts

Flair Used in r/sudoku

#1
Request Puzzle Help
: "What the heck am I missing here"
113 posts
#2
Homemade Puzzles
: "VariantDoku Daily Puzzle: August 21"
28 posts
#3
Just For Fun
: "Restaurant placemat in Azores"
13 posts
#4
Daily Game
: "Sudoku #20-08-2026"
9 posts
#5
Strategies
: "What this technique called?"
7 posts
#6
ELI5
: "Help understanding logic behind why this has to be a 4?"
6 posts
#7
Misc
: "Sudoku at the Mind Sports Olympiad in London"
6 posts
#8
No Notes
: "Hmmmmmmm"
4 posts
#9
Mildly Interesting
: "Board after POM :D"
3 posts
#10
TIL
: "I learned the hard way what a forcing chain is."
1 post

Member Growth in r/sudoku

Yearly
+20k members(47.4%)

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About

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This page gives a focused view of r/sudoku, including current member size, discussion patterns, product reviews, and related communities to explore.

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Last updated: August 23, 2026