Logic Masters Deutschland e.V.

-Normal sudoku rules apply.
-Cells separated by a black dot must be in ratio 1:2.
-Cells separated by a white dot must be consecutive.
-Numbers in cages sum to the number in the top left corner of the cage.
-Digits on an arrow must sum to the digit in the arrow's circle.
-The number to the left of a row is the sum of all digits between 1 and 9 in that column.
-Cells separated by X must sum to 10
-Digits in equal distance from each end of a line must be equal.

Sudoku:
- F-puzzles
- SudokuPad