6x6 Sudoku (Free Printable PDF)
A six-by-six sudoku is a friendly step between the tiny four-by-four grid and the full nine-by-nine. You fill a six-cell-square grid so that every row, every column, and every two-by-three box contains the numbers one to six exactly once. This free generator builds a fresh puzzle each time with a single guaranteed solution, so steady logic always cracks it and you never have to guess. With fewer numbers to juggle than a standard sudoku, it is quick to finish but still a satisfying workout for the brain. It suits older children, newcomers to sudoku, and anyone who wants a shorter solve on a busy day. Play it on the screen, or download a clean, printable PDF with the answer key.
How to make it
- Press Generate for a fresh 6x6 sudoku.
- Fill each row, column, and 2x3 box with the numbers 1 to 6.
- Solve on screen, or print the PDF with the answer key.
Frequently asked questions
How is a 6x6 sudoku different?
It uses the numbers one to six in a smaller grid with two-by-three boxes, so it solves faster than a full nine-by-nine.
Is there one solution?
Yes, every 6x6 grid is built to solve to exactly one answer using logic alone, with no guessing.
Who is it good for?
It suits older kids, beginners, and anyone who wants a satisfying but shorter sudoku.