r/sudoku is a subreddit with 58k members. The community frequently discusses sudoku, help, puzzles, stuck, and techniques, and the most common flair used is request puzzle help, homemade puzzles, daily game, just for fun, 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
: "How do you deal when you cant do candidates?"
91 posts
#2
Homemade Puzzles
: "VariantDoku Daily Puzzle: June 5"
39 posts
#3
Daily Game
: "Sudoku #10-06-2026"
16 posts
#4
Just For Fun
: "How it feels doing an easy level puzzle fast"
15 posts
#5
Strategies
: "Always stuck at very end"
12 posts
#6
Mildly Interesting
: "Random level i got"
8 posts
#7
Misc
: "Does anyone else view auto-candidate mode as cheating?"
6 posts
#8
ELI5
: "W-Wing"
4 posts
#9
No Notes
: "NYT easy - my first sudoku i ever completed!"
3 posts
#10
Solved
: "MY FASTEST SOLVE YET"
2 posts
Member Growth in r/sudoku
Yearly
+20k members(52.9%)
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About
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Last updated: June 15, 2026