https://nyt-sudoku.net/
NYT Sudoku - Free Online Daily and Unlimited Sudoku
Play daily Easy, Medium, and Hard Sudoku plus unlimited generated practice on a fast browser Sudoku board.
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https://nyt-sudoku.net/learn/candidate-notes/
Candidate Notes | NYT Sudoku Strategy
Candidate Notes: Notes record the digits that are still possible for a cell after row, column, and box checks.
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https://nyt-sudoku.net/blog/how-to-play-nyt-sudoku-online-free
How to Play NYT Sudoku Online for Free | NYT Sudoku Blog
May 18, 2026 - Start NYT Sudoku online for free with daily Easy, Medium, and Hard puzzles, unlimited generated practice, notes, hints, and optional Google sync.
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https://nyt-sudoku.net/daily/
Daily NYT Sudoku Archive
Play Daily NYT Sudoku, browse dated puzzle pages when available, and open generated Easy, Medium, and Hard Sudoku challenges.
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https://nyt-sudoku.net/learn/no-guessing/
No-Guessing Solving | NYT Sudoku Strategy
No-Guessing Solving: Use notes, singles, locked candidates, and short logic checks before testing branches on a hard Sudoku board.
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https://nyt-sudoku.net/learn/naked-singles/
Naked Singles | NYT Sudoku Strategy
Naked Singles: When a cell has exactly one candidate left after row, column, and box checks, that digit is forced on NYT Sudoku boards.
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