Quick 4×4 Sudoku
A compact grid for learning the rules or fitting a little deduction into a short break.
Open this puzzleA puzzle for your kind of break
If you want a puzzle instead of another scroll, start with how much attention you want to give it. A compact 4×4 board suits a small break; a standard Sudoku gives you more to explore; a friend game adds company.

Choose a puzzle
A compact grid for learning the rules or fitting a little deduction into a short break.
Open this puzzleA standard board for steady practice with scanning and candidate notes.
Open this puzzleCreate a private invitation and work on one synchronized board together.
Open this puzzleSolve identical clues on separate boards and compare accurate finish times.
Open this puzzle| Right now you want… | Choose | A useful goal |
|---|---|---|
| A small distraction | Quick 4×4 | Complete a compact grid or learn its rule. |
| Something to concentrate on | Medium solo Sudoku | Find a forced placement and build from there. |
| Company | Together with a friend | Explain one deduction on a shared board. |
| A friendly contest | Race a friend | Solve identical clues accurately. |
| A screen-free activity | Printable Sudoku | Download first, then solve a worksheet by hand. |
A short break is easier to enjoy when the puzzle fits it. Start Quick 4×4 if you want fewer cells to track. There is no guaranteed completion time: familiarity and the puzzle both affect how long a solve takes.
Try Medium for more candidate work or a playable variant for another constraint. Killer introduces cage totals, while Diagonal asks you to check the two main diagonals. The logic-puzzle comparison explains those choices before you open a board.
Together is a good fit for discussing a move; Race suits a playful competition. Create an invitation and share it with someone you know. If they are busy, choose an async challenge so nobody has to wait in a live session.
Quick 4×4 Sudoku gives you a compact board with fewer cells to track. Solve time varies, so choose one deduction as a small goal if time is tight.
Yes. The Sudoku solo and friend-game links open in your browser.
Use Together for a cooperative Sudoku, Race for identical-clue competition, or an async challenge if your friend will play later.