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Sudoku Solver Updated 14 June 2025for Android Read the update |
SudokuWiki.org
Strategies for Popular Number Puzzles
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| Logged out | Please report any bugs and feedback welcome |
| 6x6 KenKen® Solver | |
| By Andrew Stuart, in association with www.KenKen.com |
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Errors? [CRTL]+[F5] to clear and download the latest script files |
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New Rating system discussed here
Help on KenKen Definitions used in this solver for transporting puzzles
Solve Order (from Grader)
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Welcome to this KenKen® Solver
Any cells that are reduced to one possible candidate are solved.
You can enter a new KenKen puzzle using the new 'designer' - click on "Enter new KenKen". Once you fill in the clues and set up the cages correctly it can be solved.
Unlike the other solvers you can only edit the main board when solving. The small board only displays the clues.
The Rules
All the digits 1 to 6 must appear in every row and column. In each coloured block (or 'cage'), the target number in the small board above is calculated from the digits in all the cells in the block, using the operation indicated.
Quick help: Using this Solver
You can pick examples from the list above. Click on Take Step to step through the solution. Unknown squares are filled with 'candidates' - possible solutions.Any cells that are reduced to one possible candidate are solved.
You can enter a new KenKen puzzle using the new 'designer' - click on "Enter new KenKen". Once you fill in the clues and set up the cages correctly it can be solved.
Unlike the other solvers you can only edit the main board when solving. The small board only displays the clues.
New: Version 2.45.3 (30th Oct 2025)
Clues up to 2047 now allowed as per the docs.
New: Version 2.43.2 (6th Oct 2025)
New rating system rolled out. New examples.
New: Version 2.37.6 (13th Aug 2025)
Added some client side error reporting if cage values entered do not fit the clue.
New: Version 2.37.5 (3rd Aug 2025)
Fixed a bug that stopped parity being displayed correctly when loading from example list.
New: Version 2.37.4 (9th Jul 2025)
Fixed a bug that prevented puzzle imported from the two part strings from clearing the old board. Cage/Unit strategy detection got a boost.
New: Version 2.37.3 (8th Jul 2025)
Completely new killer puzzle entry system. Two steps: Use your mouse to click and drag a set of cells into a cage. Much quicker than clicking on the borders. Then change to "clue setting" mode to enter clues.
New: Version 2.34.2 (22nd Apr 2025)
Added 'innie and outies' taking it from Killer Sudoku.
New: Version 2.34.1 (9th Apr 2025)
Added 'Hints Mode' next to Take Step. Choose between only revealing the next strategy, just the pattern or just the eliminations.
New in version 2.32.2 (28th Mar 2025)
Added Rule of 720 to this solver.
New in version 2.32.1 (13th Mar 2025)
Now a separate 6x6 Killer solver.
New in version 2.31.8 (2nd Mar 2025)
New algorithm to compute 'dog-leg' combinations. Fixed missing combinations.
New in version 2.31.3 (3rd Feb 2025)
Swapped in new examples. [Load] button on Solve Path now works again. Slightly new grading with some scores for certain strategies tweaked.
New in version 2.31.2 (31st Jan 2025)
KenKen Parity Strategy now in solver.
New in version 2.29.6 (16th Jan 2025)
New tickbox to show the cage parity. See the KenKen Parity Strategy documentation.
New: Version 1.02 (Beta) (June 28th 2009)
KenKen Solver released
