Scattergun
Rules:
1. Standard: Normal sudoku rules apply.
2. Killer: Digits in a cage sum to the clue in the top left corner. Digits may not repeat within a cage.
Solution code: Columns 1 and 3
on 28. December 2021, 16:33 by Playmaker6174
Wonderful construction! I'd put this one at least 4/5 difficulty because of that one heck of a break-in and actually, the flow became somewhat smooth after it. :)