Ad-Free Sudoku

Sudoku the way it should be: open the page and you are already playing. No ads, no pop-ups, no sign-up, no cookie wall between you and the grid — just a clean, fast puzzle, free, on any device.

Play Sudoku with no ads at all

Most free Sudoku sites pay for themselves with advertising, and you feel it: banners crowding the board, a video that autoplays before your first move, a pop-up the moment you solve a puzzle, and a layout that shifts under your finger as another advert loads. Sudoku AZ takes the opposite approach. There are no ads anywhere on the site — no banners, no interstitials, no video, no "watch an ad to continue". The board above is the whole page, and nothing competes with it for your attention.

No pop-ups, no sign-up, no cookie wall

You never have to create an account, hand over an email, or dismiss a wall of consent toggles before you can play. Your progress, statistics and settings are saved privately in your own browser, on your device, so they are waiting for you next time without any login. The only cookie banner you will ever see is the small analytics one — and if you decline it, nothing is tracked and the games work exactly the same. The details are on our privacy policy.

Why an ad-free board solves better

Ads do more than annoy; they get between you and the puzzle. A banner that reflows the page can make you tap the wrong cell. A video eats the bandwidth that should be loading the board. An interstitial breaks the quiet focus that Sudoku is meant to give you. Removing all of it is not just tidier — it makes the game faster to load, steadier on a phone, and genuinely more relaxing to play. A puzzle you can start in a second and finish without interruption is the whole point.

Still completely free

Ad-free does not mean paid. Every game and feature here is free, with nothing to buy and no premium tier hiding the good puzzles behind a paywall. You get the full classic game in three difficulty levels, a fresh Daily puzzle, and a growing family of variants — all without a single advert. It is a small, independent project built for the love of the puzzle rather than for ad revenue, which is exactly why it can stay this clean.

Everything you need, nothing you don't

Under the calm surface it is a full-featured game. Take pencil notes, ask for a hint, undo and redo freely, pause the clock, and track your solve times and win rate on the Stats screen. A light and dark theme follows your system, full keyboard support is built in, and the responsive layout plays well on phone, tablet or desktop. The only difference from the cluttered sites is what is missing: the noise. There is no autoplay, no nagging and no dark patterns designed to keep you scrolling — when you finish a board and close the tab, that is a good outcome here, not a lost one.

More free, ad-free Sudoku to play

Once you have enjoyed a clean classic board, the same calm, advert-free experience runs through every puzzle here. Try Color Sudoku for a gentler, more visual solve, Killer Sudoku for an added layer of logic, or Flower Sudoku and Chain Sudoku for a change of shape. Prefer pencil and paper? Our printable Sudoku sheets are free and ad-free too.

So go ahead — the board above is ready, there is nothing to close and nothing to sign, and the classic game and the Daily puzzle are always a tap away.