Logic Masters Deutschland e.V.

Normal sudoku rules apply.

Diagonals - Digits cannot repeat on either of the main diagonals of the puzzle (thin blue lines).

Odds - Digits in a grey circle are odd.

Evens - Digits in a grey square are even.

Region Sum Line - Digits on the blue line have an equal sum within each box it passes through.

German Whispers - Consecutive digits on a green line must differ in value by at least 5.

Dutch Whispers - Consecutive digits on an orange line must differ in value by at least 4.

Renban - Purple lines contain a set of consecutive digits in any order.

Modular Line - Every 3 consecutive cells along a teal line must contain a complete set of residuals modulo 3. i.e. 1 digit from the selection (1,4,7), 1 digit from the selection (2,5,8) and 1 digit from the selection (3,6,9).

SudokuPad link