Game guide · TIANNBO
Jigsaw Sudoku: how a round works
Use a short break to learn the rhythm of Jigsaw Sudoku. Fill each row, column and irregular coloured nine-cell region with 1–9 once. Use the example below to understand a decision. Read the objective before making your first input. Check the relevant rule before repeating a move.
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.
A small practice goal
Locate the buttons and input area before beginning a long round. Use the on-screen labels to avoid an accidental restart. Use the example to check your reasoning.
Your goal
Fill each row, column and irregular coloured nine-cell region with 1–9 once. Read that aim before choosing your first action. Notice how the game responds to your input.
Step by step
- Select an editable cell.
- Enter a value using the keypad or keyboard; Notes stores candidates.
- Read the region, cage, arrow or outside clues alongside the normal constraints.
- Check entries verifies the completed board; Undo reverses your last input.
- New puzzle selects another included puzzle.
How to interact with the game
Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game. On a smaller screen, keep the active part of the board within view. Use one clear input at a time.
See how the rules apply
The coloured region, not a conventional 3×3 box, defines the third no-repeat constraint. Apply the same reasoning to the position in your own round. Notice the change in the playing area.
One detail worth checking
A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction. Check the rule before repeating the action. Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow.
If you are unsure
When I return, what is the goal of Jigsaw Sudoku?
The key detail is this: Fill each row, column and irregular coloured nine-cell region with 1–9 once.
On this playing page, how do I control Jigsaw Sudoku?
The key detail is this: Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game.
While reading the Guide, what example helps explain Jigsaw Sudoku?
The key detail is this: The coloured region, not a conventional 3×3 box, defines the third no-repeat constraint.
Before I begin, what should I watch out for in Jigsaw Sudoku?
A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction.
For a quick reminder, what format does Jigsaw Sudoku offer?
For clarity: 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.
Before I begin, which play mode does Jigsaw Sudoku use?
Keep this in mind: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
Before I begin, where should I start with Jigsaw Sudoku?
Keep this in mind: Select an editable cell.
Do I need an account or a payment for Jigsaw Sudoku?
The key detail is this: No player account or payment is needed. Game scores are recreational results, not cash prizes.
When I return, how can I find Jigsaw Sudoku again?
The key detail is this: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
On this playing page, how do I report an issue with Jigsaw Sudoku?
The key detail is this: Use the contact form and include the game name, browser, device and the actions that led to the issue. Do not send passwords or payment details.