Logic Masters Deutschland e.V.

The centre cell of each square when multiplied by itself has a value equal to the sum of some cells orthogonally adjacent to it.
The non-centre cells of any cage are always part of this sum.

The 35 diagonal has the same digits as the 9 square cells.

Normal Sudoku rules apply.
The little killer diagonals sum to the given value and may have repeated digits.
Killer cages sum to the given value with no repeated digits.
Dots indicate a difference of 1 between the two cells.

Solve this puzzle on F-Puzzles.