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.)
Close Neighbors #
Published on December 31, 2022.
Tags: Sudoku, Consecutive Neighbors, CTC Features
Every number must share a side with at least one other consecutive number. For example, 2 must share a side with either a 1 or a 3 (possibly both).
Published on December 3, 2022.
Tags: Sudoku, German Whispers, CTC Features