Sudoku

Click on any empty cell in the 9×9 grid to select it

Choose a number from 1-9 using the number buttons below the grid

Each row must contain all digits from 1 to 9 with no repeats

Each column must contain all digits from 1 to 9 with no repeats

Each 3×3 box must contain all digits from 1 to 9 with no repeats

Use logic and elimination to determine which numbers can go where

Let viewers suggest which numbers to place in specific cells

Create collaborative solving sessions where chat helps with logic

Challenge your audience to solve puzzles faster than you can

Use different difficulty levels for subscriber milestone rewards

Perfect for relaxing, thoughtful content that encourages participation

Great for building community through shared problem-solving

Each row, column, and 3×3 box must contain exactly one of each digit 1-9

Pre-filled numbers (shown in gray) cannot be changed

Wrong number placements are counted as mistakes

The puzzle is solved when all 81 cells are correctly filled

Use the Clear button to remove numbers from selected cells

Timer starts when the puzzle is generated

Start by looking for cells where only one number can fit

Use the process of elimination - if 8 numbers are used in a row, the 9th must go in the empty cell

Look for 'naked singles' - cells where only one number is possible

Check for 'hidden singles' - numbers that can only go in one place in a row/column/box

Work systematically through each row, column, and 3×3 box

Don't guess - every move should be based on logical deduction