New York Times publishes new Sudoku every day. Each day they publish Sudoku with difficulty level Easy, Medium and Hard.Sudoku by NYT can be played by visiting their official website https://www.nytimes.com/puzzles/
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LA Times also publishes new Sudoku every day. But they publishes Sudoku with difficulty levels Easy, Medium, Hard, Expert and Mini. You can play them all any as per your wish.Sudoku Section on Los Angeles Times can be accessed on URL https://www.latimes.com/games/sudoku
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Washington Times Publishes Daily New Sudoku with difficulty levels Easy, Medium, Hard and Expert.On Washington Post Sudoku page can be accessed on URL https://games.washingtonpost.com/games/sudoku
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The Guardian also do publishes Sudoku. But these Sudoku are not web Sudoku which means you can solve it online. To Solve you need to take printout or use any Sudoku editor which are available online.The Guardian Sudoku's can be accessed on https://www.theguardian.com/lifeandstyle/series/sudoku
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The Portal Pogo provides unique Sudoku to each user.They offer Sudoku with difficulty level's Easy, Medium, Hard, Expert and Master. Pogo Sudoku can be accessed on https://www.pogo.com/games/pogo-sudoku/play
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