1) Normal Sudoku rules apply
2) Cells separated by a black dot are in a 1:2 ratio
3) Digits in a cage sum to the digit in the top-left corner of the cage
4) This puzzle has a computer-verified unique solution. Feel free to use this fact in your solve.
You can play it here: f-puzzles. Or here: CTC-App
Solution code: Row 1 + Row 9 (18 Digits)
on 20. November 2025, 06:21 by Playmaker6174
The ‘cheat code’ allows for some interesting deductions, thanks for the fun :)
| Difficulty: | ![]() |
| Rating: | 88 % |
| Solved: | 14 times |
| Observed: | 17 times |
| ID: | 000DRK |
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