Headphones (Kopfhörer)
- Killer cages
- Kropki dots
- XV and number dots
- Whisper lines
- Renban lines
The brief
Normal Sudoku rules apply. Numbers on green lines are at least 5 apart from their neighbors on the line. Numbers may repeat on green lines. Numbers on purple lines are each a set of non-repeating, consecutive numbers, in any order. Numbers on orange lines sum to at least 13. Numbers do not repeat on orange lines. Numbers in cages sum to the number in the top left corner of the cage. Numbers do not repeat in cages. Numbers with an X between them sum to 10. Numbers with a white dot between them are consecutive. Not all possible X and dots are shown.