Noah's Ark
- Killer cages
- Diagonals
- Kropki dots
- Thermometers
- Arrows
- Whisper lines
- Renban lines
- Quadruples
- Odd and even cells
The brief
- Normal Sudoku rules apply.
- Digits along a diagonal cannot repeat
- Digits along a magenta renban form a set of consecutive non-repeating digits in any order.
- Adjacent digits along a green German Whisper line must have a difference of at least 5.
- Digits in a cage do not repeat and sum to the clue in the top left.
- A black dot between cells indicates cell values with a 2:1 ratio. A white dot between cells indicates cells with consecutive values. Not all dots are given.
- Digits along each thermometer must increase starting from the bulb end.
- Digits in a white circle must appear at least once in the four surrounding cells.
- Cells with a filled square must be even. Cells with a filled circle must be odd.
- The digits along each arrow must sum to the digit in the circled cell.