How to Play Jigsaw Sudoku

THE PLAYBOOK · XH0411

How to play Jigsaw Sudoku

A round of Jigsaw Sudoku at XH0411 begins with understanding the objective. Fill each row, column and irregular coloured nine-cell region with 1–9 once. The learning focus here is careful restarts, supported by the rule notes below.

6 finite checked puzzles, with local saved progress. No claim of unlimited daily puzzles or calibrated difficulty.

Careful restarts

Start a fresh round when you want another attempt. Restarting may discard current progress; read the controls rather than assuming an account backup exists.

Your goal

Fill each row, column and irregular coloured nine-cell region with 1–9 once.

Step by step

1. Select an editable cell.
2. Enter a value using the keypad or keyboard; Notes stores candidates.
3. Read the region, cage, arrow or outside clues alongside the normal constraints.
4. Check entries verifies the completed board; Undo reverses your last input.
5. New puzzle selects another included puzzle.

Controls

Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game.

A useful example

The coloured region, not a conventional 3×3 box, defines the third no-repeat constraint.

Watch out for this

A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction.

Common questions