Snake Egg by Joseph Howard

Snake Egg by Joseph Howard

PDF

Theme: High-Low

Author/Opus: This is the 20th puzzle from guest contributor Joseph Howard.

Rules: Draw a snake (a 1 cell-wide path) in the grid whose head and tail are given by circled cells. The snake can touch itself diagonally, but cannot touch itself orthogonally or revisit any square. Besides the snake, the remaining cells must form exactly nine white areas, one of each size from 1 to 9 (in example, 1 to 5). Numbers in the grid must be part of white areas of the indicated size.

See also this example:

Snake Egg by Serkan Yürekli

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 3:15, Master = 6:45, Expert = 13:30

Solution: To be posted next Sunday (September 20th).

Note: Follow this link for other Snake puzzles. More Snake puzzles and variations can be found in Snake and Variations by Serkan Yürekli.

Skyscrapers (Anti-Knight) by Freddie Hand

Skyscrapers by Freddie Hand

PDF

Theme: Groups

Author/Opus: This is the 12th puzzle from guest contributor Freddie Hand.

Rules: Standard Skyscrapers rules. Also, digits cannot repeat in any cells separated by a chess knight’s move.

Difficulty: 2.5 stars

Time Standards (highlight to view): Grandmaster = 2:15, Master = 4:00, Expert = 8:00

Solution: PDF

Note: Follow this link for classic Skyscrapers puzzles and this link for variations on Skyscrapers puzzles. If you are new to this puzzle type, here are our easiest Skyscrapers Puzzles to get started on. More Skyscrapers puzzles can be found in The Art of Puzzles, in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli, and in the e-book Skyscrapers by Ashish Kumar.

Cave by Freddie Hand

Cave by Freddie Hand

PDF

Theme: Threes

Author/Opus: This is the 11th puzzle from guest contributor Freddie Hand.

Rules: Standard Cave rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:40, Master = 2:45, Expert = 5:30

Solution: PDF

Note: Follow this link for other classic Caves and this link for Cave variations. If you are new to this puzzle type, here are our easiest Cave Puzzles to get started on. More Cave puzzles can be found in Roger Barkan’s Colossal Cave Collection, in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Masyu (Battleships) by Fatih Kamer Anda

Masyu Battleships by Fatih Kamer Anda

PDF

Theme: Antisymmetry

Author/Opus: This is the 4th puzzle from guest contributor Fatih Kamer Anda.

Rules: Combination of Masyu and Battleships. Standard Masyu rules. All empty cells not occupied by the Masyu loop will belong to the fleet of ships given below. The whole fleet must be placed in the grid; ships cannot touch each other, not even diagonally.

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 5:30, Master = 10:00, Expert = 20:00

Solution: PDF

Note: Follow this link for classic Battleships and this link for Battleships variations. If you are new to this puzzle type, here are our easiest Battleships to get started on. More Battleships puzzles can be found in Battleships and Variations, in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Battleships by JinHoo Ahn

Battleships by JinHoo Ahn

PDF

Theme: Double Numbers

Author/Opus: This is the 6th puzzle from guest contributor JinHoo Ahn.

Rules: Standard Battleships rules. Use the indicated fleet.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 3:15, Master = 5:00, Expert = 10:00

Solution: PDF; a solution video is also available here.

Note: Follow this link for classic Battleships and this link for Battleships variations. If you are new to this puzzle type, here are our easiest Battleships to get started on. More Battleships puzzles can be found in Battleships and Variations, in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Yajilin (Battleships) by Freddie Hand

Yajilin Battleships by Freddie Hand

PDF

Theme: Destroyers

Author/Opus: This is the 10th puzzle from guest contributor Freddie Hand.

Rules: Variation of Battleships and Yajilin. Place the fleet of ships in the grid so that no ships touch each other, even diagonally. The grid contains internal clues (a number and an arrow) that show how many ship segments are in the indicated direction. All remaining white cells that do not contain a ship segment must be able to form a single loop, as in a Yajilin puzzle.

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 3:30, Master = 4:45, Expert = 9:30

Solution: PDF

Note: Follow this link for classic Battleships and this link for Battleships variations. If you are new to this puzzle type, here are our easiest Battleships to get started on. More Battleships puzzles can be found in Battleships and Variations, in The Art of Puzzles, and in our beginner-friendly collection Intro to GMPuzzles by Serkan Yürekli.

Arrow Sudoku by Joseph Howard

Arrow Sudoku by Joseph Howard

PDF

Theme: Fanned Out

Author/Opus: This is the 19th puzzle from guest contributor Joseph Howard.

Rules: Standard Arrow Sudoku rules.

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 4:45, Master = 7:45, Expert = 15:30

Solution: PDF; a solution video is also available here.

Note: Follow this link for more Arrow Sudoku. If you are new to this puzzle type, here are our easiest Arrow Sudoku to get started on.