Nurikabe (Cipher) by Sam Cappleman-Lynes

Nurikabe (Cipher) by Sam Cappleman-Lynes

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Theme: Planet E∀RTH

Author/Opus: This is the 11th puzzle from guest contributor Sam Cappleman-Lynes.

Rules: Standard Nurikabe rules, except the size of each island has been encrypted. Each letter in this puzzle stands for a different positive integer, which must be determined while solving the puzzle.

Difficulty: 4 stars

Time Standards (highlight to view): Grandmaster = 9:00, Master = 15:00, Expert = 30:00

Solution: PDF and solving video.

Note: Follow this link for classic Nurikabe and this link for Nurikabe variations. If you are new to this puzzle type, here are our easiest Nurikabe puzzles to get started on. More Nurikabe puzzles can be in The Art of Puzzles, in our beginner-friendly book Logic Puzzles 101, and in the e-book Nurikabe by Ashish Kumar.

Nurikabe (Pairs) by Murat Can Tonta

Nurikabe (Pairs) by Murat Can Tonta

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Theme: 1 to 9

Author/Opus: This is the 230th puzzle from our contributing puzzlemaster Murat Can Tonta.

Rules: Variation of Nurikabe rules. Every region of white cells must contain exactly two numbers (instead of one) and have total size equal to the sum of the two numbers.

Also, see this example:

Nurikabe Pairs by Serkan Yürekli

Difficulty: 3.5 stars

Time Standards (highlight to view): Grandmaster = 3:15, Master = 6:15, Expert = 12:30

Solution: PDF and solving video.

Note: Follow this link for classic Nurikabe and this link for Nurikabe variations. If you are new to this puzzle type, here are our easiest Nurikabe puzzles to get started on. More Nurikabe puzzles can be in The Art of Puzzles, in our beginner-friendly book Logic Puzzles 101, and in the e-book Nurikabe by Ashish Kumar.

Nurikabe by wormsofcan

Nurikabe by wormsofcan

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Columns

Author/Opus: This is the 8th puzzle from guest contributor wormsofcan.

Rules: Standard Nurikabe rules.

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 3:30, Master = 5:00, Expert = 10:00

Solution: PDF and solving video.

Note: Follow this link for classic Nurikabe and this link for Nurikabe variations. If you are new to this puzzle type, here are our easiest Nurikabe puzzles to get started on. More Nurikabe puzzles can be in The Art of Puzzles, in our beginner-friendly book Logic Puzzles 101, and in the e-book Nurikabe by Ashish Kumar.

Nurikabe (Full) by JinHoo Ahn

Nurikabe (Full) by JinHoo Ahn

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or solve online (using our beta test of Penpa-Edit tools)

Theme: Number Snakes

Author/Opus: This is the 51st puzzle from our contributing puzzlemaster JinHoo Ahn.

Rules: Variation of Nurikabe. Shade some of the numbered cells so that the grid is divided into white regions, with each cell in such a region containing a number identical to the area of the region. Two white regions may only touch diagonally. All shaded cells must be connected with each other, but no 2×2 group of cells can be entirely shaded black.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:15, Master = 2:15, Expert = 4:30

Solution: PDF and solving video.

Note: Follow this link for classic Nurikabe and this link for Nurikabe variations. If you are new to this puzzle type, here are our easiest Nurikabe puzzles to get started on. More Nurikabe puzzles can be in The Art of Puzzles, in our beginner-friendly book Logic Puzzles 101, and in the e-book Nurikabe by Ashish Kumar.

Nurikabe by Mark Sweep

Nurikabe by Mark Sweep

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Ones

Author/Opus: This is the 5th puzzle from guest contributor Mark Sweep.

Rules: Standard Nurikabe rules.

Difficulty: 2 stars

Time Standards (highlight to view): Grandmaster = 1:15, Master = 2:00, Expert = 4:00

Solution: PDF and solving video.

Note: Follow this link for classic Nurikabe and this link for Nurikabe variations. If you are new to this puzzle type, here are our easiest Nurikabe puzzles to get started on. More Nurikabe puzzles can be in The Art of Puzzles, in our beginner-friendly book Logic Puzzles 101, and in the e-book Nurikabe by Ashish Kumar.

Nurikabe by Teddy Tan

Nurikabe by Teddy Tan

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: Seeing Doubles

Author/Opus: This is the 2nd puzzle from guest contributor Teddy Tan.

Rules: Standard Nurikabe rules.

Difficulty: 1.5 stars

Time Standards (highlight to view): Grandmaster = 1:00, Master = 1:45, Expert = 3:30

Solution: PDF and solving video.

Note: Follow this link for classic Nurikabe and this link for Nurikabe variations. If you are new to this puzzle type, here are our easiest Nurikabe puzzles to get started on. More Nurikabe puzzles can be in The Art of Puzzles, in our beginner-friendly book Logic Puzzles 101, and in the e-book Nurikabe by Ashish Kumar.

Nurikabe by wormsofcan

Nurikabe by wormsofcan

PDF

or solve online (using our beta test of Penpa-Edit tools)

Theme: One Magic Square

Author/Opus: This is the 5th puzzle from guest contributor wormsofcan.

Rules: Standard Nurikabe rules.

Difficulty: 3 stars

Time Standards (highlight to view): Grandmaster = 3:00, Master = 5:30, Expert = 11:00

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

Note: Follow this link for classic Nurikabe and this link for Nurikabe variations. If you are new to this puzzle type, here are our easiest Nurikabe puzzles to get started on. More Nurikabe puzzles can be in The Art of Puzzles, in our beginner-friendly book Logic Puzzles 101, and in the e-book Nurikabe by Ashish Kumar.