# Artisanal Sudoku Brand new hand-crafted variant sudokus, delivered to your inbox every Monday morning. Page: Feed: --- ## [Artisanal Sudoku, Volume 241](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-241) _2026-08-17 · James Sinclair_ This being a prime week kind of snuck up on me, so you’re going to have to assemble the prime bonus puzzle yourself. ## [Artisanal Sudoku, Volume 240](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-240) _2026-08-10 · James Sinclair_ See you all next summer in Ottawa! ## [Artisanal Sudoku, Volume 239](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-239) _2026-08-03 · James Sinclair_ Scheduling this in advance. If everything went as planned, I’m currently in \[undisclosed European city\] recovering after a fantastic weekend! ## [Artisanal Sudoku, Volume 238](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-238) _2026-07-27 · James Sinclair_ I don’t think I’ve mentioned that I’m going to be speaking at SudokuCon. But don’t let that discourage you from going! ## [Artisanal Sudoku, Volume 237](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-237) _2026-07-20 · James Sinclair_ Zipper lines continue to ease their way into the roster of “standard” constraints. ## [Artisanal Sudoku, Volume 236](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-236) _2026-07-13 · James Sinclair_ This Sunday, on the SudokuCon Twitch channel: the Setter Spotlight Series returns, featuring Marty Sears! ## [Artisanal Sudoku, Volume 235](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-235) _2026-07-06 · James Sinclair_ Bet you thought I forgot about given digits… ## [Artisanal Sudoku, Volume 234](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-234) _2026-06-29 · James Sinclair_ It occurs to me belatedly that it might have been nice to do something World Cup-themed, but, ironically, I’ve been too distracted by the World Cup. ## [Artisanal Sudoku, Volume 233](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-233) _2026-06-22 · James Sinclair_ One of the fun things about the prime bonus puzzles is that (I like to assume) they’re always a surprise. Like, did you know off the top of your head that 233 is prime? I certainly didn’t. ## [Artisanal Sudoku, Volume 232](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-232) _2026-06-15 · James Sinclair_ This week: the 10/10 difficulty rating makes a rare appearance. ## [Save with community-voted codes (Sponsored)](https://crawlproof.com/a/nuXqUY8UiVDe) _2026-06-15 · **Sponsored**_ Search thousands of community-verified coupon codes — 100% free, no account needed. ## [Artisanal Sudoku, Volume 231](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-231) _2026-06-08 · James Sinclair_ I don’t recall exactly why I chose to name a puzzle after the fundamental rule of improv comedy, but I \*think\* my reasons were more positive than negative. ## [Artisanal Sudoku, Volume 230](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-230) _2026-06-01 · James Sinclair_ This feels like another slate where there’ll be quibbling about the difficulty ratings. Especially with the third puzzle. And the second one. And both bonus puzzles. ## [Artisanal Sudoku, Volume 229](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-229) _2026-05-25 · James Sinclair_ I’ve never had an actual choco banana, but if they’re anything like the puzzle genre, probably pretty tasty. ## [Artisanal Sudoku, Volume 228](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-228) _2026-05-18 · James Sinclair_ Be aware: the fog puzzle does NOT say “all clues are standard.” ## [Artisanal Sudoku, Volume 227](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-227) _2026-05-11 · James Sinclair_ Featuring puzzles called Music Box, Carousel, and Turntable, which almost seem like they were put together to fit a theme of some kind. I assure you, they weren’t. ## [Artisanal Sudoku, Volume 226](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-226) _2026-05-04 · James Sinclair_ To all the new subscribers who signed up after last week’s volume, welcome! Have some more puzzles… ## [Artisanal Sudoku, Volume 225](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-225) _2026-04-27 · James Sinclair_ The multiples of 45 are my favorite posts of the year, so it’s nice that they actually come along every ten months or so. ## [Artisanal Sudoku, Volume 224](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-224) _2026-04-20 · James Sinclair_ Starting to feel like I’m getting a little \*too\* generous with given digits, tbh. ## [Artisanal Sudoku, Volume 223](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-223) _2026-04-13 · James Sinclair_ Closing in on another multiple of 45... ## [Zero-Persistence E2EE (Sponsored)](https://crawlproof.com/a/HERJMsQmK9qT) _2026-04-13 · **Sponsored**_ End-to-end encryption with client-side WebCrypto and volatile memory. ## [Artisanal Sudoku, Volume 222](https://artisanalsudoku.substack.com/p/artisanal-sudoku-volume-222) _2026-04-06 · James Sinclair_ Feels like I should’ve found a way to make this one 2-themed. Well, roughly 11% of the digits in the puzzles are 2, so there’s that.