Logic Masters Deutschland e.V.

Normal Arrow Sudoku rules apply (Digits along an arrow sum to the digit in the circled cell. Digits on the arrow path may repeat if allowed by other sudoku rules).

Normal Thermometer rules apply (Digits along a thermometer must increase from the bulb end).

Normal XV rules apply. There is NO negative constraint (Cells connected by X must contain digits that sum to 10, and cells connected by V must contain digits that sum to 5. There may be adjacent cells in the puzzle whose digits sum to 5 or 10 that are not marked by an X or V clue).

F-puzzles Link