Puzzle Detail
Calcudoku 6×6 — Set 2
| 2-1 | 5= | 2= | 1- | 6= | |
| 6= | 20x | 1=1 | |||
| 3-4 | 6= | 2= | 3=3 | ||
| 5= | 4= | 3= | 6= | 9+ | 2= |
| 6= | 12x | 4= | 1= | 20x | |
| 3 | 12+ |
Show solution
| 1 | 5 | 2 | 3 | 4 | 6 |
| 3 | 6 | 5 | 4 | 2 | 1 |
| 4 | 1 | 6 | 2 | 5 | 3 |
| 5 | 4 | 3 | 6 | 1 | 2 |
| 6 | 2 | 4 | 1 | 3 | 5 |
| 2 | 3 | 1 | 5 | 6 | 4 |
Solver Notes
Our 6x6 calcudoku puzzles are the most popular size — offering a satisfying intermediate challenge for fans of arithmetic logic puzzles.
How is 6x6 calcudoku different from 4x4?
The 6x6 grid uses digits 1–6, creating more complex cage combinations and longer solving chains than the 4x4 version.
Can I print 6x6 calcudoku puzzles?
Yes — click Print on any puzzle page for a clean PDF with solution.
Are solutions included?
Yes — every puzzle includes a fully verified solution.