Intuition by psninn
LMD: https://logicmasters.de/Raetselporta...
Sudokupad: https://sudokupad.app/01dhvdgzsh

Rules:
The standard sudoku rules apply.
Digits cannot repeat on the negative diagonal.
Digits on an arrow must sum to the digit in circle.
The purple lines are zipper lines, The two digits that have an equidistant from the center circle sum to the digit on the circle.