sudoko - SERP Analysis

https://sudoku.com/

https://www.nytimes.com/puzzles/sudoku

https://www.websudoku.com/

https://www.247sudoku.com/

https://play.google.com/store/apps/details%3Fid%3Deasy.sudoku.puzzle.solver.free%26hl%3Den_US

https://sudokubliss.com/

https://apps.apple.com/us/app/sudoku-com-number-games/id1193508329

https://en.wikipedia.org/wiki/Sudoku

https://sudoku.game/

https://www.latimes.com/games/sudoku