Logic Masters Deutschland e.V.

• Normal 6x6 sudoku rules apply.
• Yin-Yang: Shade some cells so that all shaded cells form one orthogonally connected area, and all unshaded cells form another orthogonally connected area. No 2x2 area of cells may be entirely shaded or unshaded.
• Fog: Some cells are hidden by "fog" meaning you cannot see their contents. Some fog may be removed when a digit is correctly filled. Digits can be logically deduced, no guessing is needed.
• Triplers: The value of a shaded cell is 3 times the digit in the cell. The value of an unshaded cells is the digit in the cell.
• Ambiguous Killer: The values of cells in a cage must sum to one of the numbers the leftmost cell of the topmost row of the cage. Digits may not repeat within a cage, but values may. All cage sums are given.
• Little Killer: Clues outside the grid show the sum of the values along the indicated diagonal.
• Yin-Yang Clones: Adjacent cells on a red line are either both shaded or are both unshaded.

Play in SudokuPad

A hint may be useful, which is a third secret about Yin Yang puzzles in general