A fresh puzzle every day.
Every day at midnight UTC we publish a brand-new Sudoku in five difficulties — from Very Easy for beginners to Very Hard for veterans. No accounts, no ads in your face, no signup. Just the puzzle.
Stuck? Read up on solving techniques like Naked Pairs and X-Wing. Want something different? Try a Sudoku variant or one of our Sudoku puzzles for kids.
Missed a day? Browse the full puzzle archive — every puzzle ever published is still playable.