Dutch Flat Mates: Pick-up Sticks
- Fog of war
- Whisper lines
- Parity lines
- Modular lines
- Entropic lines
- Renban lines
- Dutch flat mates
- Flat mates
The brief
Normal sudoku rules apply.
DUTCH FLAT MATES: Every 5 in the grid must have a 1 directly above it or a 9 directly below it. It may have both, but it doesn't need both.
DYNAMIC FOG: The grid is covered in fog. Entering correct digits might clear fog somewhere in the grid.
PICK-UP STICKS: A stick always has a lower total (the sum of its digits) than any stick which lies on top of it. Sticks that aren't grey have an additional rule:
- A yellow ENTROPIC stick must contain one low digit (1, 2 or 3), one medium digit (4, 5 or 6), and one high digit (7, 8 or 9.)
- A teal MODULAR stick must contain one digit from each of the sets (1,4,7), (2,5,8), and (3,6,9).
- A pink RENBAN stick must contain a set of consecutive digits, arranged in some order.
- Along an orange DUTCH WHISPER stick, adjacent digits on must have a difference of at least 4.
- Along a red PARITY STICK, digits must alternate between odd and even.