Puzzle Detail
Kenken Hard — Set 10
| 5= | 189x | 4= | 8= | 3/ | ||||
| 6/ | 1- | 1= | 4= | 7=7 | ||||
| 1 | 4= | 56x | 0- | |||||
| 28x | 3= | 2 | 8= | 9/ | 5 | 1- | ||
| 9= | 3/ | 2/ | 5= | 7- | 3= | |||
| 24x | 9= | 45x5 | 6= | 4x | ||||
| 4= | 2- | 13+ | 6= | |||||
| 18+ | 7/ | 2/ | ||||||
| 7= | 3= | 14+6 | 16+ | 1- | 5= |
Show solution
| 2 | 6 | 5 | 7 | 1 | 9 | 4 | 8 | 3 |
| 6 | 5 | 1 | 3 | 4 | 2 | 7 | 9 | 8 |
| 5 | 1 | 4 | 8 | 7 | 6 | 3 | 2 | 9 |
| 4 | 7 | 3 | 2 | 8 | 1 | 9 | 5 | 6 |
| 9 | 2 | 6 | 4 | 5 | 8 | 1 | 3 | 7 |
| 3 | 8 | 9 | 5 | 2 | 7 | 6 | 4 | 1 |
| 1 | 4 | 7 | 9 | 3 | 5 | 8 | 6 | 2 |
| 8 | 9 | 2 | 1 | 6 | 3 | 5 | 7 | 4 |
| 7 | 3 | 8 | 6 | 9 | 4 | 2 | 1 | 5 |
Solver Notes
7
1
2
5
5
6
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.