Logic Masters Deutschland e.V.

Normal Sudoku Each row, column, and box contain the digits from 1 through 9 with no repeats.

Killer Cages Digits in cages sum to the total in the top left corner of the cage. Digits must not repeat.

Little Killer Digits in a diagonal pointed at by an arrow, sum up to the number behind the arrow. The digits on a diagonal may repeat.

Kropki Digits separated by a white dot have a difference of 1 and cells separated by a black dot have a ratio of 1:2. Not all possible dots are given.

You can play it here.