Printable Sudoku

How the sheets are made

Every time you press New sheet, your browser generates brand-new puzzles at the level you chose. They're graded exactly like the puzzles you play on screen: an easy puzzle falls to naked singles alone, a medium one needs hidden singles, a hard one needs locked candidates or naked pairs, and an expert one needs more than those. Each has exactly one solution. Our guide on how sudoku puzzles are made explains the process.

Each puzzle is labelled with its level and number ("Medium #3"), and the answers print on a separate page with matching labels, so nobody sees an answer by accident while solving.

The sheet isn't saved. If you want the same puzzles again later, print them now, or save them as a PDF from the print dialog.

Printing tips

• Use your browser's print dialog; the menus, footer and adverts are left off the printout.
• Choose "2 per page" for large squares that are easy to pencil notes into, or "6 per page" for a booklet's worth of puzzles on few sheets.
• To save paper, print only page 1 and keep the answers on screen.
• For hard and expert puzzles, choose 2 or 4 per page. You'll want room for notes.
• Most print dialogs have a "Save as PDF" option. It's a handy way to keep a stock of puzzles on a tablet that has a pen.

Ideas for using printed puzzles

• Travel and waiting rooms. A folded sheet of six weighs nothing and needs no battery.
• Classrooms. Easy puzzles are a good logic warm-up, because they can be solved with one idea: a square where only one digit fits. Print one answer sheet for yourself and puzzle sheets for the class. Our beginner walkthrough works well projected on a screen as a first lesson.
• Learning a new technique. Print a hard sheet after reading about locked candidates or pairs. Practising on paper makes you write candidates by hand, which helps them stick.
• Friendly races. Print one sheet and make copies, so everyone gets the same puzzles.

Solving on paper

Paper has no undo and no mistake checker, so a few habits help:

• Use a pencil, and write notes small in the corners of a square. Our pencil marks guide suggests a layout.
• Only write a digit in full when you can say why it must go there.
• If the grid stops making sense, the cause is usually an earlier wrong digit. See common mistakes and how to get unstuck.

Prefer to play on screen? Go to online sudoku or today's daily puzzle. Want sums instead? Try killer sudoku on screen.