Sudoku 4×4
A gentle 4 by 4 sudoku with big numbers, a Check button and hints.
Quick answer: Fill every row, column and 2 by 2 box with the numbers 1 to 4, each exactly once. Tap a square, then tap a number. Press Check my numbers to see if you are on track. Every puzzle has exactly one solution.
How to use it
- Fill every row, column and 2 by 2 box with the numbers 1 to 4, each exactly once.
- Tap an empty square, then tap a number below.
- Press Check my numbers. Wrong numbers turn red, and nothing is lost.
- Press Give me a hint to fill in one square for you.
Tips
- Start with the squares that have the most numbers around them.
- If you are stuck, a hint is always fine.
- Every puzzle can be solved by logic. You never need to guess.
What people use it for
- A relaxed few minutes at a computer, phone or tablet
- Playing with family, grandchildren or friends
- Passing the time while you wait
- Something to do together at a club or centre
- Easy to see: large text, large buttons, no hurry
Questions
Does every puzzle have one answer?
Yes. Each puzzle is checked so there is exactly one solution.
What is the Check button for?
It shows which of your numbers are not right yet, in red, without telling you the answer.
Is there a time limit?
No. There is no clock and nothing to rush. Play as slowly as you like.
Is anything saved or sent?
No. Nothing is saved, and nothing leaves your device. There is no sign-up.
Does it cost anything?
No, it is free.
Does it work on a phone or tablet?
Yes. The buttons are large enough to tap with a finger.
Is it free?
Yes. No sign-up, no install and no limit.
Is anything saved or sent?
No. Everything runs in your browser. Only your own best score, where a page shows one, is kept on your device.
Last updated 2026-10-24. Free to use, no sign-up. Made by ficklestudio26.