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.
Fillomino Chaos Construction 3 #
Published on May 26, 2026.
Difficulty: 5
Tags: Sudoku, Chaos Construction, Fillomino, Killer Cages
Divide the grid into 9 orthogonally connected regions of size 9, and place the digits 1-9 in the grid such that each row, column, and region has one copy of each digit.
Then, divide each region into some polyominoes such that no two polyominoes of the same size share an edge or have the same sum, and no polyomino has sum 24.
An arrow indicates the cell is part of a polyomino of size n, and the nearest cell belonging to a polyomino of size n in the indicated direction is exactly n cells away, where n is the digit in the arrow.
A cage indicates the cell is part of a polyomino with sum S and is part of a region containing n polyominoes, where n is the digit placed in the cage and S is the sum denoted in the top-left corner.
Fillomino Chaos Construction 2 #
Published on June 5, 2023.
Difficulty: 5
Tags: Sudoku, Chaos Construction, Fillomino, Sightlines
Divide the grid into 9 orthogonally connected regions of size 9, and place the digits 1-9 in the grid such that each row, column, and region has one copy of each digit.
Then, divide each region into some polyominoes such that no two polyominoes of the same size share an edge.
Digits in a circle indicate the size of the polyomino it is in, and digits in a square indicate the number of polyominoes in its region.
A digit in a clued cell indicates the number of cells seen in the indicated directions combined (including itself). POLYOMINO borders obstruct vision.
Penpa solvers only: Answer check requires all digits to be filled out, green edges for region borders, and double edges for pentomino borders that are NOT region borders. (All region borders are also pentomino borders because of the rules.)
Fillomino Chaos Construction #
Published on May 22, 2023.
Difficulty: 5
Tags: Sudoku, Chaos Construction, Fillomino
Divide the grid into 9 orthogonally connected regions of size 9, and place the digits 1-9 in the grid such that each row, column, and region has one copy of each digit.
Then, divide each region into some polyominoes such that no two polyominoes of the same size share an edge.
Digits in a circle indicate the size of the polyomino it is in, and digits in a square indicate the number of polyominoes in its region.
Penpa solvers only: Answer check requires all digits to be filled out, green edges for region borders, and double edges for pentomino borders that are NOT region borders. (All region borders are also pentomino borders because of the rules.)
Monster Without A Name #
Published on March 11, 2023.
Difficulty: 4
Tags: Sudoku, Chaos Construction, Monster Cages
This puzzle is a chaos construction. Cages indicate the product of each region sum contained in a cage. For instance, if a 4-cell cage contained 1,2 in one region and 3,4 in another region, its total would be (1+2)x(3+4)=80. Cages may be contained in one region, in which case, the total is just the sum of the cells. Digits may not repeat in a cage.
Monster Cages #
Published on March 4, 2023.
Difficulty: 2
Tags: Sudoku, Chaos Construction, Monster Cages
This puzzle is a chaos construction. Cages indicate the product of each region sum contained in a cage. For instance, if a 4-cell cage contained 1,2 in one region and 3,4 in another region, its total would be (1+2)x(3+4)=80. Cages may be contained in one region, in which case, the total is just the sum of the cells. Digits may not repeat in a cage.
