Greedy

Normal sudoku rules apply.

Every row, column and box contains one greedy cell. A greedy cell takes on the value of its digit added to the digit in the cell 180° rotationally opposite itself. Eg: if r3c3 is a greedy cell containing a 2, and r7c7 is a 6, then r3c3 has a value of (2 + 6) = 8. Each digit 1-9 appears once in a greedy cell.

German whisper: The values of adjacent cells along a green line have a difference of at least 5.

Nabner: No two values anywhere on a yellow line may be the same or consecutive.

Same difference: Any pair of adjacent values on a turquoise line has the same difference. This difference must be determined for each turquoise line.

Black kropki: Values joined by a black dot have a 1:2 ratio.

White kropki: Values joined by a white dot are consecutive.