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!
The search feature will find all puzzles with any of the selected difficulties and all of the selected tags.
Close Neighbors 2 #
Published on May 21, 2026.
Difficulty: 3
Tags: Sudoku, Consecutive Neighbors
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).
KailOVER #
Published on November 7, 2023.
Difficulty: 3
Tags: Sudoku, Region Sum Lines, Circle Counters, Diagonal
Wiring #
Published on July 3, 2023.
Difficulty: 3
Tags: Sudoku, German Whispers, Kropki
Last Stand #
Published on June 17, 2023.
Difficulty: 3
Tags: Sudoku, Thermometers
Mind The Gap #
Published on May 24, 2023.
Difficulty: 3
Tags: Sudoku, X-Sums, Diagonal
6:13 #
Published on April 16, 2023.
Difficulty: 3
Tags: Sudoku, Anti-Knight, Killer Cages
Class of '23 #
Published on February 11, 2023.
Difficulty: 3
Tags: Sudoku, Killer Cages
Bird #
Published on January 19, 2023.
Difficulty: 3
Tags: Sudoku, German Whispers, Little Killers, X-Sums
7-Eleven #
Published on December 8, 2022.
Difficulty: 3
Tags: Sudoku, Killer Cages
The digits orthogonally adjacent to a 7 must sum to 11.
24-7 #
Published on December 8, 2022.
Difficulty: 3
Tags: Sudoku, Thermometers
The digits orthogonally adjacent to a 7 must sum to 11.
X Marks the Spot #
Published on October 28, 2022.
Difficulty: 3
Tags: Sudoku, Thermometers, Arrows
