Sudoku - Puzzle Grids

Classic number logic puzzle, free and offline. Train your brain, logic and concentration on a 9x9 grid, anytime, no internet needed.

A sudoku is a grid of 9x9 cells. The grid has 9 rows, 9 columns, and 9 square regions of 3x3.

The goal is to fill the 9x9 grid with numbers so that each row, each column, and each 3x3 section contains the numbers 1 to 9. At the start of the game, the 9x9 grid will have some cells already filled in. Your task is to use logic to fill in the missing numbers and complete the grid. A move is incorrect if:

- A row contains the same number from 1 to 9 more than once

- A column contains the same number from 1 to 9 more than once

- A 3x3 region contains the same number from 1 to 9 more than once

Solving a number puzzle requires logic. No mathematical calculations are necessary to find the solution.

FEATURES

- 4 difficulty levels, from easy to expert, for beginners and seasoned players

- Daily logic challenge to keep your mind sharp

- Smart pencil marks and hints to guide your deductions

- Error detection to spot mistakes instantly

- Time tracking to beat your personal best

- Fully offline, no internet required

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