Logic Masters Deutschland e.V.

Standard Sudoku rules apply (Place the digits 1-9 in every row, column, and 3x3 box)

Standard little killer rules apply (Numbers outside the grid with an arrow give you the sum of all digits in the indicated diagonal)

Standard sandwich sums apply (Numbers outside the grid without an arrow indicate the sum of digits from 1-9 in that row or column).

Thermo rules apply (Numbers strictly increase from the bulb to the tip)

Adjacent digits on a green "whisper" line differ by at least 5.

Digits on the marked diagonal cannot repeat.

You can play it here