Rey's Puzzles
Difficulties are marked according to the Logic Masters Germany scale. These are just my best guesses, so please let me know if you have a different opinion!
All OctoPuzzles links come with walkthroughs if you need help at any point. (Not all puzzles have OctoPuzzles links.)
Mind The Gap #
Published on May 24, 2023.
Difficulty: 3
Tags: Sudoku, X-Sums, Diagonal

Minutia #
Published on March 21, 2023.
Difficulty: 1
Tags: Sudoku, Killer Cages, Diagonal

Wings #
Published on March 18, 2023.
Difficulty: 2
Tags: Sudoku, Killer Cages, Diagonal

Intersections #
Published on February 27, 2023.
Difficulty: 2
Tags: Sudoku, X-Sums, Diagonal
Starry Sums #
Published on February 21, 2023.
Difficulty: 2
Tags: Sudoku, Diagonal, Star Battle
Shade a square in each row, column, and region such that each digit 1-9 is shaded once and no two shaded squares touch, not even diagonally. Digits outside the grid indicate the sum of the digits it sees before the shaded square.
Stairs #
Published on February 6, 2023.
Difficulty: 2
Tags: Sudoku, Killer Cages, Diagonal
Highway #
Published on February 1, 2023.
Difficulty: 2
Tags: Sudoku, Killer Cages, Diagonal