Kakuro Interactive

Kakuro puzzles can be played interactively on the computer, offering many features and advantages compared to pencil and paper. This section explains everything about how to play Kakuro on the computer. If you are not yet familiar with the puzzle rules, please go to Kakuro rules.

Placing and deleting numbers (Keyboard: numerical keys)

Kakuro interactive is played by placing numbers in a grid. Click mouse on the desired square to open dial pad and then click on the desired number. To remove a number, repeat the above using X at the bottom of the dial pad. Numbers can also be placed by pointing mouse on the desired square and then typing with the keyboard.

Using pencilmarks (Keyboard: numerical keys)

Kakuro interactive also supports pencilmarks to help solve hard puzzles. Click mouse on the desired pencilmark square to open dial pad and then click on the desired number. To remove a pencilmark, repeat the above using X at the bottom of the dial pad. Pencilmarks can also be placed by pointing mouse on the desired pencilmark square and then typing with the keyboard. Autofill pencilmarks mode automatically manages all relevant pencilmarks in the grid. To enable automatic pencilmarks, click the Autofill pencilmarks button on the toolbar. Note that in this mode manually removed pencilmarks will not reappear automatically. To delete all pencilmarks and quit the automatic mode, click again to release this button.

Toolbar

All game functions are accessed through the toolbar. For some toolbar buttons, keyboard shortcut keys are also available as listed below. Toolbar may be positioned horizontally or vertically using the rotate button on the left edge, and relocated anywhere in the game by dragging its frame.

Zoom in

Enlarge small puzzles for best viewing on your screen.

Zoom out

Reduce large puzzles for best fit on your screen.

Undo (Keyboard: U)

Go back as many steps in the game as you want.

Redo (Keyboard: R)

Go forward after using Undo as many steps as you want.

Magic blocks table

Open magic blocks table.

Restart puzzle

Restart puzzle to solve from the beginning.

Check puzzle (Keyboard: C)

Check all placed numbers for errors

Auto pencilmarks mode

Automatically manage all relevant pencilmarks in the grid.

Progress

Show elapsed solving time.

Show solution

Show solution of the puzzle. Using this button will also end the game.

Preferences

Open Preferences dialog box. New preferences will be automatically saved on the computer.

Show errors: Check this box to automatically show errors when completing a block.
Show sum combinations: Check this box to show all possible sum combinations when mouse is pointing at a sum. Sum combinations list will appear under the puzzle.
Show remainder: Check this box to show sum remainders in the horizontal and vertical blocks which the mouse is pointing at.
Auto complete: Check this box to auto complete blocks when only one number is missing.
Sound on: Check this box to turn sound on.

About

Open About dialog box to see puzzle size, difficulty, ID, title and other information.

Help

Open Kakuro Interactive page you are reading now.

Print options

Open Print dialog box. New print options will be automatically saved on the computer.

Print

Puzzle: Select to print puzzle.
Solution: Select to print solution.
Current state: Select to print current solution state.

Clue colors

Normal: Select to print in normal mode.
Ink saving: Select to print in ink saving mode.

Scaling

Preferred image scale: Reduce or enlarge printout.
Attempt to reduce to page: Check this box to fit large puzzles on a single page. When this box is unchecked, large puzzles will print in multiple pages according to selected scaling.
Attempt to enlarge to page: Check this box to fit small puzzles on a whole page. When this box is unchecked, small puzzles will print according to selected scaling.
Select optimal orientation: Check this box to automatically select puzzle orientation.