Sudoku

Puzzles from a built-in bank with unique solutions. Select a cell, then a digit — givens are fixed and conflicting entries are refused. Same set action over the JSON API.

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Moves — 0 Puzzle — #

Play without the browser

curl -X POST https://newvibecitysudoku.com/api/games/sudoku \
  -H 'content-type: application/json' -d '{"seed":11}'
curl -X POST https://newvibecitysudoku.com/api/games/sudoku/<gameId>/set \
  -H 'content-type: application/json' -d '{"cell":0,"value":9}'

Cells are row-major 0-80; value 0 clears. See llms.txt.