One Foggy Christmas Eve
- Killer cages
- Kropki dots
- Thermometers
- Whisper lines
The brief
Normal Sudoku rules apply. THERMOMETERS (antlers)- Numbers on thermometers increase from the bulb end. GERMAN WHISPERS (head and ears)- Numbers on green lines are at least 5 apart from their neighbors on the line. Numbers may repeat on green lines, if other rules allow. BLACK OVALS (eyes and nose)- Numbers with a black oval between them sum to 10. KILLER CAGES- Numbers in cages sum to the number in the top left corner of the cage. KROPKI PAIR- Numbers with a white dot between them are consecutive. Not all possible dots are given.