Renban Chaos
Rules:
- Classic Sudoku:
Every row, column and 3x3 box must contain every number from 1 to 9.
- Renban:
All digits along a purple line must form a consecutive sequence (in no specific order).
- Arrows:
Numbers along an arrow sum up to the total in the circled cell.
- Kropki:
Two digits separated by a black dot have a 1:2 ratio.
Play it online in SudokuPad.
This puzzle is also on Logic Masters Germany.