Logic Masters Deutschland e.V.

Normal sudoku rules apply. Place the digits 1-6 once each in every row, column, and 2x3 box.

Killer: digits inside a caged region must not repeat and sum to the total shown in the corner.

Thermometer: digits must strictly increase along each thermometer, starting from the bulb.

Quadruples: each digit shown by a quadruple clue appears at least once in its four surrounding cells.

Cells connected by a V sum to 5. Not all Vs are given.

Solve in VariantDoku (iOS, macOS, Android) or on SudokuPad.