Puzzle Detail
Kenken Hard — Set 6
| 144x | 2/ | 17+ | 18x | |||||
| 63x | 4= | 1 | 8= | |||||
| 8+ | 3= | 8/ | 20x | |||||
| 9 | 6- | 22+ | 15+ | 19+ | 4- | |||
| 1= | 4- | 3 | 7= | |||||
| 64x | 5= | 10+ | 1- | |||||
| 2= | 8= | 9 | 4= | 4+ | 21x | |||
| 2-3 | 22+ | 17+ | 4= | 40x5 | ||||
| 6+ | 13+ | 13+ | 1= | 4= | 9= |
Show solution
| 8 | 6 | 3 | 2 | 4 | 5 | 7 | 9 | 1 |
| 7 | 9 | 4 | 1 | 6 | 3 | 5 | 2 | 8 |
| 6 | 7 | 1 | 3 | 8 | 2 | 9 | 5 | 4 |
| 9 | 5 | 8 | 4 | 7 | 1 | 2 | 3 | 6 |
| 1 | 4 | 5 | 9 | 3 | 7 | 8 | 6 | 2 |
| 4 | 8 | 2 | 5 | 1 | 9 | 6 | 7 | 3 |
| 5 | 2 | 6 | 8 | 9 | 4 | 3 | 1 | 7 |
| 3 | 1 | 9 | 7 | 2 | 6 | 4 | 8 | 5 |
| 2 | 3 | 7 | 6 | 5 | 8 | 1 | 4 | 9 |
Solver Notes
Our hard KenKen (mathdoku) puzzles feature large grids and complex cage calculations — designed for advanced solvers.
What makes a KenKen puzzle hard?
Hard KenKen uses 8x8 or 9x9 grids with long cage chains and ambiguous arithmetic combinations that require systematic elimination.
Are solutions provided?
Yes — every hard KenKen puzzle includes a verified solution.
Do I need to guess?
No — every puzzle has a unique logical solution requiring no guessing.