Logic Masters Deutschland e.V.

The Rules:

Normal(ish) Sudoku rules apply.

There are 9 special cells, one in each row, column and box. All such cells contain different digits. These cells are modifiers. There is one each of the following:

• Doubler, having a value of double its digit.
• Nullifier, having a value of 0, whatever its digit.
• Negator, having a value of the negative of its digit.
• Halver, having an integer value of half its digit.
• Incrementor, having a value of 1 more than its digit.
• Decrementor, having a value of 1 less than its digit.
• Tripler, having a value of triple its digit.
• Primer: must operate on a composite digit giving it the value of a consecutive prime digit.
• Compositor: must operate on a prime digit giving it the value of a consecutive composite digit.
  For the avoidance of doubt, 0 and 1 are neither prime nor composite. It is for the solver to determine which modifier is which.

  The sums of the cell values in each region visited by a blue region sum line must be the same. Each visit to a region starts a new total.

  The cells on a purple renban line must contain consecutive values, in any order.

  The values of cells on an arrow must sum to the value of the cell in the corresponding circle.

  Cells separated by a red dot are strictly non-consecutive, so they cannot contain consecutive digits or consecutive values.

  200 Streams of Zetatude

  by Chilly

  

  Link for solving on Sudokupad