Subtraction Game: Exceptional layered Sudoku puzzle

Today's Video:

Based on the play count this may have been featured elsewhere already. It's an incredibly satisfying puzzle though that deserves all the limelight it would get. Enjoy!

Link to Play:

Subtraction Game by sujoyku https://tinyurl.com/SudokuSleuthSubtractionGame

Rules:

Normal sudoku rules apply, i.e. each row, column and 3x3 region has to contain the digits from 1 to 9 once each.

On the marked diagonal digits do not repeat.

Digits in a cage sum to the clue in the top left.

Digits on an arrow sum to the digit in the circle from which the arrow emerges.