Number Grid
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How to play Number Grid
- Choose Easy, Medium, or Hard, select an empty cell, then enter a digit with the on-screen pad or keyboard.
- Turn Notes on for candidate marks, and use Check to highlight conflicts while solving.
Place 1–9 so each number appears once in every row, column, and 3×3 box. Each generated puzzle has a unique solution.
About Number Grid
A 9×9 number-placement logic puzzle with dynamically generated boards, three difficulty levels, note taking, and local progress saving.
Quick tips
First move
Scan for a row, column, or box with only a few empty cells and fill the most constrained position first.
Practical tip
Use Notes for uncertain cells instead of guessing, then remove candidates as each row, column, and box becomes more constrained.
Number Grid: 9×9 Logic, Notes, Conflict Checks, and Save/Resume
Learn how to solve Number Grid with row, column, and box logic, use Notes effectively, check conflicts, and resume a saved puzzle.