Logic Masters Deutschland e.V.

Normal sudoku rules apply: place the digits 1-9 once each in every row, column, and box.

Dynamic fog: Fog hides some clues. Placing a logically deduced digit may clear some fog.

Arrows: Digits along an arrow must sum to the digit within the arrow’s circle. Arrows do not bend.

Odd and even cells: Each grey circle must contain an odd digit and each grey square must contain an even digit.

Kropki dots: Digits in cells separated by a black dot must be in a 1:2 ratio (i.e. one is double the other). Digits in cells separated by a white dot must be consecutive.

Solve on SudokuPad: https://sudokupad.app/zpk9e7ejxm