An Exercise in Colouring

Normal 8x8 Sudoku Rules Apply. Place the digits 1-8 once each in every row, column and marked region.

Adjacent cells along a green german whispers line differ by at least 5.

Digits along the arrow sum to the digit in the attatched circle.

Normal thermometer rules: digits increase in size from the bulb end.

Cells separated by a black dot are in a 1:2 ratio, not all such dots are given.

Cells along a pink renban line form a string of consecutive numbers, in any order

Finally, digits that see each other by knight or kings move (in chess) cannot be the same.