Game guide · FONPER
Kakuro: from controls to your first round
Kakuro gives you a focused activity to play in your browser. Complete a 4×4 sum grid with digits 1–9, no repeats in any row or column, and the displayed totals. Look at what changes after your first action. Check the rule that explains your first action. Look at what changes after your first action.
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.
Try a more deliberate round
Choose one rule to keep in mind for this round. Apply it consistently rather than guessing what another version might allow. Use the example to check your reasoning.
What the game asks you to do
Complete a 4×4 sum grid with digits 1–9, no repeats in any row or column, and the displayed totals. An attractive position is not enough unless the goal is met. The example below illustrates a decision.
Step by step
- 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.
How to interact with the game
Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution. A careful first action helps you become familiar with the layout. Check any mode label before starting.
Learn from a sample situation
A row total 18 with fixed values 2, 4 and 7 requires 5 in the remaining cell. Apply the same reasoning to the position in your own round. Check the stated objective.
A useful caution
Repeated digits in a run are forbidden even when the sum matches. Read the feedback to see why an action did not have the expected result. Watch the feedback after an action. A message can explain whether the input was accepted or whether a rule needs attention.
Questions that come up during play
When I return, what is the goal of Kakuro?
Here is the relevant explanation: Complete a 4×4 sum grid with digits 1–9, no repeats in any row or column, and the displayed totals.
Before I begin, how do I control Kakuro?
Keep this in mind: Click or tap squares or graph edges. Number boards include a digit pad. Undo reverses the previous change; Check puzzle validates the solution.
For my first round, 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.
While learning, what should I watch out for in Kakuro?
Keep this in mind: Repeated digits in a run are forbidden even when the sum matches.
As a new player, what format does Kakuro offer?
Keep this in mind: 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.
As a new player, which play mode does Kakuro use?
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?
Keep this in mind: Compare a row total with its fixed entries.
For this browser game, do I need an account or a payment for Kakuro?
Keep this in mind: No player account or payment is needed. Game scores are recreational results, not cash prizes.
When I return, how can I find Kakuro 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.
On this playing page, how do I report an issue with Kakuro?
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.