Logic Masters Deutschland e.V.

A Boat Full of Vikings Traveling Through the Fog

In the misty seas of Sudox, a boat full of fearless Vikings sails through dense, shifting fog. Guided by whispers of ancient runes and the logic of the gods, they must outwit the chaos and uncover the path to glory. Only with sharp vision, cunning, and intuition can you lead the crew safely through these mythic waters.

Rules:

1. Classic Sudoku:
Each row, column, and 3×3 box must contain the digits 1 to 9 exactly once.

2. Norway Green Whisper Lines:
Cells connected by a green whisper line must differ by at least 5.

3. Swedish Orange Whisper Lines:
Cells connected by an orange whisper line must differ by at least 4.

4. Double Arrows:
The sum of the digits in the arrow line equals the sum of the two digits in the circled cells at either end.

5. Thermometers:
Digits must increase from the bulb to the tip. They do not need to increase by exactly 1.

6. Black and White Kropki Dots:
- A white dot connects two digits with a difference of 1.
- A black dot connects two digits where one is double the other.
Not all dots are necessarily given.

7. Palindrome Lines:
Digits on a line must read the same forwards and backwards.

8. Purple Renban Lines:
Digits must form a set of consecutive, non-repeating numbers in any order.

9. V-Sums:
Clues outside the grid give the sum of the two lines that form a 'V'.

10. even squars :
a grey squar must contain an even number.

10. Odin’s Blue Region Sums:
Where a blue line crosses a box border, the digits on each side of the border must sum to the same total.

11. Dynamic Fog:
Some cells begin hidden. A hidden cell becomes visible when it is adjacent (orthogonally or diagonally) to a filled cell.

Solve Online