Game guide · WTJPY
Killer Sudoku: learn through an example
Bring your attention to one round of Killer Sudoku. Fill rows, columns and boxes with 1–9 once. Cage digits cannot repeat and must add to their clue. Look at what changes after your first action. Read the objective before making your first input. Look at what changes after your first action.
This collection contains 8 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
Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention. Use the example to check your reasoning.
Your goal
Fill rows, columns and boxes with 1–9 once. Cage digits cannot repeat and must add to their clue. An attractive position is not enough unless the goal is met. Start with a deliberate move.
The order of play
- 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.
Keyboard and screen controls
Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game. Read a button’s label before selecting it. Make sure you are interacting with the game rather than the surrounding page.
Work through an example
A two-cell cage labelled 3 holds 1 and 2; a one-cell cage fixes its own value. Apply the same reasoning to the position in your own round. Read the matching step again.
Avoid this misunderstanding
A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction. Compare the situation with the worked example. Read one step at a time and try it on the playing area. Match the instruction to the control you use.
Clarifying the way this game works
What is the goal of Killer Sudoku?
Here is the relevant explanation: Fill rows, columns and boxes with 1–9 once. Cage digits cannot repeat and must add to their clue.
For my first round, how do I control Killer Sudoku?
For clarity: Click or tap cells and the digit pad. Use Notes, Undo and Reveal selected. Large boards scroll inside the game.
While learning, what example helps explain Killer Sudoku?
Keep this in mind: A two-cell cage labelled 3 holds 1 and 2; a one-cell cage fixes its own value.
As a new player, what should I watch out for in Killer Sudoku?
A full board must obey every extra rule. Reveal supplies assistance; it is not an earned deduction.
When I return, what format does Killer Sudoku offer?
This collection contains 8 puzzles. Progress is saved in this browser. The same puzzle can appear again; the collection is not labelled with calibrated difficulty levels.
For my first round, which play mode does Killer Sudoku use?
Here is the relevant explanation: The mode on this page is Solo. Same-device play uses one screen; this game library does not provide internet matchmaking.
On this playing page, where should I start with Killer Sudoku?
Here is the relevant explanation: Select an editable cell.
On this playing page, do I need an account or a payment for Killer Sudoku?
For clarity: No player account or payment is needed. Game scores are recreational results, not cash prizes.
Before I begin, how can I find Killer Sudoku again?
Here is the relevant explanation: Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
For a quick reminder, how do I report an issue with Killer Sudoku?
Here is the relevant explanation: 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.
