Sunday Update and Solutions

Our past week of Sudoku puzzles is collected in this PDF and the solutions are in this PDF.

The daily solution videos are on the posts and linked below:

We’ve recently added Penpa solving modes for all of our Pentominous and Fillomino puzzles dating back to 2013. Throughout the year we’ve gotten 1350 puzzles digitized (completed genres listed here) and had over 200,000 clicks into our Penpa puzzles. We’re hoping to keep growing that number into 2022 (500k+) and expect to have everything digitized in the next few months. There are some other recent Penpa improvements we’ll be rolling out in the next week and telling you more about. We’ll also be spending some time looking back at our Puzzle Grand Prix puzzles from Serkan and me, and then announcing our Best of 2021 web puzzles, reflecting on our 2021 objectives and key results and sharing our 2022 plan.

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