Logic Masters Deutschland e.V.

• Normal sudoku rules apply.
• Dutch Flatmates: Every 5 in the grid must have a 1 directly above it, or a 9 directly below it. It may have both, but it doesn't need both.
• Digits on a pink line make a non-repeating set of consecutive digits in any order.

Online in Sudokupad

On theme:

• schutzstacheln
• gedenksäule
• speersäule
• steineichenwald
• zerrwelt / schemenkraft