Sudoku - Pin.games

Sudoku from NAJOX is a polished and feature-rich version of the classic number puzzle that has challenged minds for decades. The goal remains the same: fill the entire 9x9 grid so that every row, every column, and each of the nine 3x3 blocks contains the digits 1 through 9 exactly once. It sounds simple, but each puzzle demands careful logic and patient deduction.

This version offers six distinct difficulty levels, so you can start with gentle warm-ups or jump straight into the deep end with truly tough grids. If you ever get stuck, the smart hint system is there to give you a nudge without spoiling the whole puzzle. The combo scoring system rewards you for making correct placements in a row, adding a satisfying layer of challenge for those who like to track their performance.

Daily challenges give you a fresh puzzle every day, making it easy to build a quick habit. And if you ever get tired of looking at the same board, there are five handcrafted visual themes to choose from, each designed to keep the experience clean and relaxing. Whether you are a casual player looking for a few minutes of calm or a dedicated puzzle lover seeking a real mental workout, this version delivers a smooth, logic-focused experience that stays true to the spirit of Sudoku.

Tap a cell to select it, then tap a number to fill it in.\n\nComplete the puzzle by placing digits 1 through 9 so that every row, column, and 3×3 block contains each number exactly once.\n\nUse Notes mode to pencil in candidate numbers. If you get stuck, use your hint to reveal the next logical step. Chain correct moves to build a combo and increase your score bonus.\n\nYou have 3 mistakes before the game ends, so think carefully.