Big Bang
Rules:
- Classic Sudoku:
Every row, column and 3x3 box must contain every number from 1 to 9.
- Region Sum Lines:
Box borders divide a blue line into multiple segments which have the same sum. Different lines may have different sums.
- Arrows:
Numbers along an arrow sum up to the total in the circled cell.
- Kropki:
Two digits separated by a white dot are consecutive; two digits separated by a black dot have a 1:2 ratio.
- V:
Two digits separated by a V clue sum up to 5. If a clue is on the outer border, it applies to the digits at the two ends of that row/column.
Play it online in SudokuPad.
This puzzle is also on Logic Masters Germany.