The evenings are getting darker. A good puzzle is a fine way to make use of one.
Select your difficulty level, then solve online or use the print button for a clean, ready-to-solve 9x9 version. Print at 100% for the best result on both US Letter and A4. Today’s five puzzles are completely free and always ad-free.
Not sure which level to start with today? Our five levels run from Casual to Diabolical, each rated using the Sudoku Explainer (SE) system.
The Sudoku Solvers Club unlocks the full archive, going back to January 2026.