Runs in your browser · nothing uploaded
Sudoku
Fill the grid so every row, column, and box has 1–9. Number pad stays handy on mobile.
How to play
Fill empty cells with digits 1–9 so every row, every column, and every thick 3×3 box contains each digit once. Tap a cell, then a number on the pad. Pre-filled clues stay locked. Red means the same digit appears twice in a row, column, or box.
Tap a cell, then a number.
Play Sudoku online with a mobile number pad
Fill a 9×9 grid so each row, column, and 3×3 box contains digits 1–9 once. Easy puzzles leave enough clues for a calm solve; a sticky pad keeps numbers reachable on phones.
How to use it
- Tap an empty cell to select it.
- Tap a number on the pad (or Erase) to fill the cell.
- Watch for red conflicts; finish when the grid matches a valid solution.
When it helps
A longer focus break than card games — still fully private and free in the browser.
FAQ
- What do red numbers mean?
- The same digit appears twice in a row, column, or box. Fix the duplicate to clear the highlight.
- Can I change given clues?
- No. Pre-filled cells are locked; only empty cells accept input.
- How hard are the puzzles?
- They are geared toward easy/relaxed play with many clues still visible.
- Is progress saved?
- Only while the tab stays open. New puzzle starts a fresh board.
- Does it work on mobile?
- Yes — the number pad sticks near the bottom so you can tap cells and digits without scrolling away.