Free Sudoku app for Android
3 difficulty levels: Beginner, Intermediate and Advanced.

✔️ Lightweight app, only approx. 3MB.
✔️ Play Sudoku offline without an internet connection.
✔️ Rows, columns and blocks will be highlighted for your selected cell.
✔️ Memo mode: Write memo notes in the blank cells.
✔️ “Get a hint”-button.
✔️ Solve button.
✔️ Notes button (fill in or delete).
✔️ Timer system: Play with or without the clock.
✔️ If you select a number already used in your row/column/block, it will be highlighted.
✔️ Mode selector: You can pick a cell and then the number to fill in, or switch to “number first”-mode to select number before cells.

How to play Sudoku - "Crosswords with numbers":
Fill in the blanks with numbers from 1 to 9. The aim is to fill each row, column and 3×3 block with the numbers 1 through 9 so that each number appears only once. Use the number buttons to fill the blanks.

Get cracking!