Number Crossword

Kakuro

Fill the grid with numbers that add up to the clues. A challenging blend of crossword and Sudoku!

Puzzle 1 - Beginner
🔢

Number Crossword Puzzle

Select Puzzle:

→ Horizontal sum↓ Vertical sum

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About Kakuro

Kakuro (also known as Cross Sums) is a logic puzzle that originated in Japan. It combines the logic of Sudoku with the structure of a crossword puzzle, creating a unique and challenging brain exercise.

The objective is simple: fill in the white cells with digits 1-9 so that each consecutive run of cells (horizontal or vertical) adds up to the clue number shown. The catch? You cannot repeat any digit within a single run.

Kakuro puzzles require both logical deduction and knowledge of number combinations. As you practice, you'll learn the possible combinations for common sums, making you faster at solving these engaging puzzles.

How to Play Kakuro

1

Understand the Clues

Each clue cell shows the sum that the adjacent cells must total. Green numbers (bottom-left) are for horizontal runs; blue numbers (top-right) are for vertical runs.

2

Fill in Numbers

Click a cell and enter a digit 1-9. The numbers in each run must add up to the clue and cannot repeat within that run.

3

Use Logic

Use process of elimination and intersection logic to determine which numbers go where. Complete the entire grid to win!

Frequently Asked Questions

Kakuro is a number puzzle that combines elements of crosswords and Sudoku. You fill in cells with digits 1-9 so that each horizontal and vertical run adds up to the clue number, without repeating any digit within a run.
Click on an empty cell to select it, then enter a number 1-9. The numbers in each horizontal run must sum to the left clue, and each vertical run must sum to the clue above. No digit can repeat within a single run.
The challenge is finding combinations of unique digits that sum to the clue numbers. For example, if a 3-cell run must sum to 6, the only possibility is 1+2+3. Learning these combinations is key to solving puzzles quickly.
Yes! Our Kakuro game is completely free to play online with no downloads required. Your progress is automatically saved in your browser.
The game is fully optimized for mobile devices, tablets, and desktop computers. Tap cells to select them and use the number pad to enter values.
Clue cells have a diagonal line separating two numbers. The number in the top-right is the sum for the column below. The number in the bottom-left is the sum for the row to the right.
Start with runs that have only one possible combination (like 3 in 2 cells = 1+2, or 17 in 2 cells = 8+9). Use process of elimination and look for cells where runs intersect to narrow down possibilities.
While both use logic and numbers 1-9, Kakuro involves addition and allows digits to repeat in the grid (just not in the same run). Kakuro is often considered more mathematical than Sudoku.

Tips & Strategies

  • •Learn key combinations: 3 in 2 cells = 1+2, 4 in 2 cells = 1+3, 16 in 2 cells = 7+9
  • •Start with runs that have only one possible combination
  • •Look for intersections where horizontal and vertical runs share a cell
  • •Use the constraint that digits can't repeat within a run to eliminate options
  • •For longer runs, work out which digits must be included to reach the sum

Why Play Kakuro?

Math Skills

Improves mental arithmetic

Logic Training

Develops deductive reasoning

Free Forever

No payment required

Brain Exercise

Keep your mind sharp

Related Games

If you enjoy Kakuro, try these other number puzzles:

SudokuKenKenNonogramAll Games

Game guide

How to play Kakuro online

Kakuro is a free puzzle browser game on YaliKit. You can play Kakuro online with no download, using keyboard, touch, and controller-friendly controls. Start the game above, follow the visual play guide, then use the tips and FAQ below to understand the objective and improve each round.

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Quick facts

Price
Free
Platform
Browser
Category
Puzzle
Install
No download

Visual play guide

Start the round

Look at the Kakuro game above. If you see a start, play, or new game button, press it first.

WASD

Move or tap

Use the arrow keys, WASD, touch buttons, swipes, or a controller. Pick the controls that feel easiest.

Try again

Watch what changed after your move. If the round ends, start again and try one better idea.

How to use the game

  1. 1

    Look at the game

    The game is at the top of this page. You do not need to download anything. Just wait for it to load.

  2. 2

    Find the goal

    Kakuro is about trying to solve a clear board challenge. The score, board, timer, or message will show what is happening.

  3. 3

    Choose your controls

    On a computer, use the keyboard. On a phone or tablet, tap or swipe. If a controller is connected, try the d-pad or buttons.

  4. 4

    Play one round

    Make a move, see what happens, and keep going. You do not have to be perfect on the first try.

  5. 5

    Restart and improve

    When the game ends, press new game or restart. Try to beat your last score, time, or mistake count.

Try these challenges

Pick one small goal, play a round, then come back and try the next one.

First try

Play one full round of Kakuro. Do not worry about winning; just learn what each button or move does.

Beat yourself

Play again and try to beat your last score, time, streak, or mistake count by a little bit.

Focus mode

Turn on fullscreen and play one quiet round. Bigger play space makes it easier to stay with the game.

Teach someone

Explain the goal of Kakuro in one sentence. If you can teach it simply, you understand the game better.

Beginner tips

Read before acting

slow down before each move; most puzzle losses come from rushing a board that still has a safe option

Use fullscreen for focus

Fullscreen mode gives Kakuro more room on small screens and makes the game feel closer to a native app.

Practice one pattern

Choose one skill to improve each round: timing, accuracy, board planning, or mistake recovery. Focused practice beats random replaying.

Fun facts

Puzzle players think ahead

Puzzle games reward tiny plans. Even thinking one move ahead can make Kakuro feel much easier.

Fast rounds help learning

Short Kakuro rounds are useful because you can test one idea, see the result, and try again right away.

Your brain spots patterns

Games like Kakuro help your brain notice patterns. After a few rounds, moves that felt confusing can start to feel natural.

Mistakes are clues

A mistake in Kakuro is not just a loss. It is a clue that shows what to watch for next time.

FAQ

What is Kakuro?+

Kakuro is a free online puzzle game you can play directly in your browser on YaliKit. It is designed for quick sessions, visible controls, and instant replay without downloads or account setup.

How do I play Kakuro online?+

Start the game at the top of the page, read the current objective, then use keyboard, touch, or supported controller actions to play. The guide on this page explains the basic flow before you jump into a full round.

Does Kakuro work on mobile?+

Yes. Kakuro is built as a responsive browser game, so it works on modern phones and tablets. Use touch controls, rotate the screen if the game benefits from more width, and use fullscreen for a cleaner play area.

Can I play Kakuro without downloading anything?+

Yes. Kakuro runs in the browser with no app download required. Open the page, let the game load, and start playing immediately on desktop, mobile, or tablet.

What is the best beginner tip for Kakuro?+

The best beginner tip is to make one careful decision at a time. Watch the board or playfield, understand what changed after each action, and restart with a specific improvement instead of guessing faster.

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Kakuro - Play Free Online | Keyboard, Touch & Gamepad Support