How do you play Sudoku?

You must fill the 9x9 grid so that each row, each column, and each of the nine 3x3 sub-grids contain all numbers from 1 to 9 without repeating.

How do Pencil Notes work in this Sudoku game?

Toggle the Pencil icon in the dashboard to turn Notes mode ON. Pressing number keys will place small numbers in the corners of the selected cell. Toggle it OFF to input the final cell value.

Can I play my current game on other devices?

You can generate a secure encrypted URL of your current puzzle using the Copy Link feature, allowing you to resume or share the exact same board state on any device.

Are there exactly three hints allowed?

Yes, to keep the game challenging and engaging, players are limited to 3 single-cell hints per game. Requesting a hint will reveal the solution for the selected cell only.