Normal sudoku rules apply. One cell in each row, column, and box contains a modifier. Each of the digits 1-9 is modified once. A modifier affects the value of a cell for purposes of all clue types besides normal sudoku. Four of the modifiers double the digit in that cell. Four of the modifiers increase the digit in that cell by 1. One modifier is broken and leaves the digit in that cell unchanged. Values in cells joined by a white dot are consecutive. Values in cells joined by a black dot are in a 1:2 ratio. Values in cells separated by a V must sum to 5. A digit in a grey square is even. Values in the cage sum to the total given. Values along an arrow sum to the number in the attached circle. Values along a thermometer must strictly increase from bulb to tip. Neighbouring Values along a green line must differ by at least 5. Values along the orange line read the same forwards and backwards. Values along a purple line must form a set of consecutive values in any order.