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Sudoku-4 is a beginner-friendly version of the classic logic puzzle, played on a 4×4 grid instead of the usual 9×9. The rules are identical to full Sudoku — every row, every column and every 2×2 block must contain each number from 1 to 4 — but the smaller grid takes the maths-test feeling out and leaves you with a pure, quick, satisfying logic puzzle.
For new players, Sudoku-4 is the perfect introduction to Sudoku-style reasoning. You learn the core moves — scan a row for the missing number, eliminate options inside a block, lock in a forced placement — without staring at 81 cells. For experienced players, it is a great warm-up game and a clean five-minute break.
This Sudoku-4 plays free in the browser with no sign-up and no download. The board scales cleanly on phones and works just as well on a desktop. Solved puzzles fade in a satisfying animation and a new board is one tap away. Your best solve time is saved locally so you can chase a personal record any time you play.
Use arrow keys, WASD, the mouse or spacebar where the game requires it. Specific controls match the "How to play" steps above — each step describes the exact input the game expects.
Tap, hold, swipe or drag — whichever your finger naturally does for the action described in the steps. Sudoku Mini is mobile-first and works in portrait or landscape on any modern phone or tablet.
Yes. Sudoku Mini is completely free to play on GameJadoo. There are no charges, no in-app purchases and no hidden costs.
No download is needed. Sudoku Mini is an HTML5 game that runs directly in your web browser — just open the page and play.
Yes. Sudoku Mini works on phones, tablets and computers. Open it in any modern browser to start playing.
No sign-up or account is required. You can start playing Sudoku Mini instantly.
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