How to Play Jigsaw Sudoku

THE PLAYBOOK · SLTPPF

How to play Jigsaw Sudoku

Use SLTPPF to play Jigsaw Sudoku and read its instructions on the same page. Fill each row, column and irregular coloured nine-cell region with 1–9 once. Follow the explain your choice approach for your next round.

This collection contains 6 puzzles. Progress is saved in this browser. The same puzzle can appear again; the collection is not labelled with calibrated difficulty levels.

Explain your choice

Try describing the reason for a move or action in one sentence. If the reason is unclear, revisit the rules before continuing.

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