Game guide · HNSZDS
Kakuro: rules and examples
Read the aim of Kakuro, then make your first move. Complete a 4×4 sum grid with digits 1–9, no repeats in any row or column, and the displayed totals. Check the relevant rule before repeating a move. Check the rule that explains your first action. Check the relevant rule before repeating a move.
Practise sums on twelve small, unblocked 4×4 grids. These teaching boards use whole-row and whole-column totals rather than the blocked runs of classic Kakuro.
A focus for your next round
Before your first action, say what you are trying to achieve. Then compare the result with the goal. Refer to the controls when needed.
The purpose of your moves
Complete a 4×4 sum grid with digits 1–9, no repeats in any row or column, and the displayed totals. Read that aim before choosing your first action. Follow this game’s rules rather than another version’s.
Making your moves
- Compare a row total with its fixed entries.
- Use the column total for the same blank.
- Enter digits 1–9.
- Check puzzle verifies totals and non-repetition.
Input guidance
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. Use the control method described here for this activity. Make sure you are interacting with the game rather than the surrounding page.
See the idea in action
A row total 18 with fixed values 2, 4 and 7 requires 5 in the remaining cell. Your next round may have a different position, so inspect it before acting. Take a moment to compare.
A useful caution
Repeated digits in a run are forbidden even when the sum matches. Take a moment to reassess the position before continuing. Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention.
A few questions answered
Before I begin, what is the goal of Kakuro?
The key detail is this: Complete a 4×4 sum grid with digits 1–9, no repeats in any row or column, and the displayed totals.
How do I control Kakuro?
For clarity: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
On this playing page, what example helps explain Kakuro?
The key detail is this: A row total 18 with fixed values 2, 4 and 7 requires 5 in the remaining cell.
Before I begin, what should I watch out for in Kakuro?
Repeated digits in a run are forbidden even when the sum matches.
What format does Kakuro offer?
Practise sums on twelve small, unblocked 4×4 grids. These teaching boards use whole-row and whole-column totals rather than the blocked runs of classic Kakuro.
For a quick reminder, which play mode does Kakuro 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.
While learning, where should I start with Kakuro?
Compare a row total with its fixed entries.
For a quick reminder, do I need an account or a payment for Kakuro?
No player account or payment is needed. Game scores are recreational results, not cash prizes.
For my first round, how can I find Kakuro again?
Use the Games list or save this game page in your browser bookmarks. The Guide is linked from the playing page.
Before I begin, how do I report an issue with Kakuro?
For clarity: 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.
