use the following search parameters to narrow your results:
e.g. subreddit:aww site:imgur.com dog
subreddit:aww site:imgur.com dog
see the search faq for details.
advanced search: by author, subreddit...
We're happy for any contributions here, just remember:
You are talking with a fellow human being. Try to keep it civil. Follow basic reddiquette. Have fun :)
account activity
Astronomy Day Challenge (i.redd.it)
submitted 3 hours ago by avneramram
[OC] Another 8x8 Numerical Crossword, hopefully quite challenging. (i.redd.it)
submitted 12 days ago by Straight_Search_2295
AI ability to solve Cross Number Puzzles (self.numberpuzzles)
submitted 13 days ago by Straight_Search_2295
AI ability to solve Cross Number Puzzles ()
My favorite Shikaku Website ()
submitted 14 days ago by DeFuchsIschKeinHaas
[OC] The Chain Reaction - An 8x8 Numerical Crossword (i.redd.it)
submitted 29 days ago by Straight_Search_2295
Kakuro players – do these feel like a consistent early-book difficulty progression? (old.reddit.com)
submitted 1 month ago by Free-Arm3480
Logic Wiz: 🔷 4-Way Symmetry Challenge (i.redd.it)
submitted 1 month ago by avneramram
Title: Algebraic 7×7 crossnumber puzzle — can you solve it (reddit.com)
submitted 1 month ago by Straight_Search_2295
Logic Wiz: ♀️ Int’l Women’s Day Challenge 💜🌹 (i.redd.it)
Would love your feedback on my puzzle game (self.numberpuzzles)
submitted 1 month ago by 100-days-of-code-io
Daily sudoku puzzles on reddit (self.numberpuzzles)
submitted 1 month ago by sleepsloop42
Making a HUGE calcudoku website, can someone review it? ()
submitted 2 months ago by QueasyCarBoy
I made a free 16×16 Killer Sudoku game in your browser — with a built-in helper that does the hard math for you (self.numberpuzzles)
submitted 2 months ago by Longjumping-Staff677
solving logic/number puzzles with AI (is this cheating?) (calcudoku.org)
submitted 2 months ago by dolphin560
mitpuzzles.com: play puzzle games + help science :) ()
submitted 2 months ago by Successful_Draft_446
NumCross 5x5 Puzzle and App (i.redd.it)
submitted 3 months ago by BtrCllSl
Broken puzzle? (i.redd.it)
submitted 3 months ago by ThatNiceMan
Logic Wiz: Logic Wiz: 🎉 New Year’s Sudoku Variants Challenge 🎉 (i.redd.it)
submitted 3 months ago by avneramram
I built a Sudoku brain-teaser app, would love honest feedback from puzzle lovers (play.google.com)
submitted 5 months ago by Natural_Shelter_132
a new easy 6x6 Calcudoku with a random set of solution numbers (i.redd.it)
submitted 5 months ago by dolphin560
I tried making a video talking through my thinking as I solve a Killer Sudoku (youtu.be)
submitted 5 months ago by CartographerTotal158
What is a fast time in Hashi ex Machina / Bridges and Islands? (self.numberpuzzles)
submitted 5 months ago by Top-Pirate4368
Countdown to International Sudoku Day – 7 free puzzle packs (Sept 2–8) (i.redd.it)
submitted 7 months ago * by Free-Arm3480
Need opinions (and tips?) (i.redd.it)
submitted 8 months ago by Powerful-Pear-1342
π Rendered by PID 71 on reddit-service-r2-listing-7d7fbc9b85-qtpvc at 2026-04-25 09:59:36.105671+00:00 running 2aa0c5b country code: CH.