Based on the band Coheed and Cambria. Most clues represent either their logo or numbers associated with the band such as 2113, 33, and 184.
Irregular Sudoku: The digits 1-8 must appear once each in every row, box, and column.
Kropki: Digits separated by a white dot must be consecutive. Digits separated by a black dot must be in a 1:2 ratio. Not all dots are given.
Quadruples: Digits in circular clues at cell intersections must appear in the surrounding 4 cells.
Arrows: Digits along an arrow must sum to that arrow's circled digit.
Little Killer: Digits along an indicated diagonal must sum to the given total.
Between Lines: Digits on lines connecting circles must lie between the circled digits numerically.
Link:
Solution code: Row 1 followed by column 8 with no spaces.
on 29. July 2023, 21:37 by Nemefish
Little sting in the tail but still approachable
on 25. July 2023, 20:18 by asaddu
Updated difficulty
on 25. July 2023, 14:43 by SirThomas
I liked the puzzle! I think it should be 3 stars at the highest
on 25. July 2023, 10:07 by CaptRob
I would say it’s a 3 stars puzzle, but really enjoyable. Thanks a lot
on 25. July 2023, 05:55 by asaddu
Updated context of design