r/sudoku is a subreddit with 62k 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, mildly interesting, and misc.
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
: "Stuck! How can I proceed?"
84 posts
#2
Homemade Puzzles
: "Counting Diagonals 6x6 Variant Sudoku"
49 posts
#3
Daily Game
: "Sudoku #09-09-2026"
12 posts
#4
Mildly Interesting
: "Variant Sudoku 10-09-2026"
10 posts
#5
Misc
: "Is this cheating?"
9 posts
#6
Just For Fun
: "first time solved sudoku in my life"
8 posts
#7
Strategies
: "What is it called when a crane and a skyscraper both eliminate key components of each other?"
8 posts
#8
ELI5
: "Alternating Inference Chain 101"
4 posts
#9
No Notes
: "Is it possible for a puzzle to have more than one solution?"
2 posts
#10
TIL
: "Felt proud about learning W wing 🥹"
1 post
Member Growth in r/sudoku
Yearly
+20k members(45.7%)
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About
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Last updated: September 15, 2026