Conceptis Nurikabe
Conceptis Ltd. Puzzle
Partition between clues with walls to create islands with corresponding size
- Rating
- 4.8
- 492 ratings
- Downloads
- 10K+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Nov 12
- 2020 · v1.5.0
Screenshots
About Conceptis Nurikabe
Nurikabe are addictive island-forming puzzles which were invented in Japan. Using pure logic and requiring no math to solve, these fascinating puzzles offer endless fun and intellectual entertainment to puzzle fans of all skills and ages.
Each puzzle consists of a grid containing clues in various places. The object is to create islands by partitioning between clues with walls so that the number of squares in each island is equal to the value of the clue, all walls form a continuous path and there are no wall areas of 2x2 or larger. Each island must contain one clue and be isolated from other islands horizontally and vertically.
The game features a highlighting option to help see if a wall segment is about to become isolated, and an island size counter to view how many squares belong to an island.
To help see the puzzle progress, graphic previews in the puzzle list show the progress of all puzzles in a volume as they are being solved. A Gallery view option provides these previews in a larger format.
For more fun, Conceptis Nurikabe includes a Weekly Bonus section providing an extra free puzzle each week.
PUZZLE FEATURES
• 90 free Classic Nurikabe puzzle samples
• 30 extra-large puzzles bonus for tablet only
• Extra bonus puzzle published free each week
• Multiple difficulty levels from very easy to extremely hard
• Puzzle library continuously updates with new content
• Manually selected, top quality puzzles
• Unique solution for each puzzle
• Hours of intellectual challenge and fun
• Sharpens logic and improves cognitive skills
GAMING FEATURES
• Concurrently playing and saving multiple puzzles
• Puzzle library sorting and hiding options
• Graphic previews showing puzzles progress as they are being solved
• Unlimited Undo and Redo
• Highlight wall segments
• Show island size counter
• Check puzzle
• Track puzzle solving times
• Backup & restore puzzle progress to Google Drive
ABOUT
Nurikabe have also become popular under other names such as Islands in the Stream and Cell Structure. Similar to Sudoku, Kakuro and Hashi, the puzzles are solved using logic alone. All puzzles in this app are produced by Conceptis Ltd. - the leading supplier of logic puzzles to printed and electronic gaming media all over the world. On average, more than 20 million Conceptis puzzles are solved each day in newspapers, magazines, books and online as well as on smartphones and tablets across the world.
Each puzzle consists of a grid containing clues in various places. The object is to create islands by partitioning between clues with walls so that the number of squares in each island is equal to the value of the clue, all walls form a continuous path and there are no wall areas of 2x2 or larger. Each island must contain one clue and be isolated from other islands horizontally and vertically.
The game features a highlighting option to help see if a wall segment is about to become isolated, and an island size counter to view how many squares belong to an island.
To help see the puzzle progress, graphic previews in the puzzle list show the progress of all puzzles in a volume as they are being solved. A Gallery view option provides these previews in a larger format.
For more fun, Conceptis Nurikabe includes a Weekly Bonus section providing an extra free puzzle each week.
PUZZLE FEATURES
• 90 free Classic Nurikabe puzzle samples
• 30 extra-large puzzles bonus for tablet only
• Extra bonus puzzle published free each week
• Multiple difficulty levels from very easy to extremely hard
• Puzzle library continuously updates with new content
• Manually selected, top quality puzzles
• Unique solution for each puzzle
• Hours of intellectual challenge and fun
• Sharpens logic and improves cognitive skills
GAMING FEATURES
• Concurrently playing and saving multiple puzzles
• Puzzle library sorting and hiding options
• Graphic previews showing puzzles progress as they are being solved
• Unlimited Undo and Redo
• Highlight wall segments
• Show island size counter
• Check puzzle
• Track puzzle solving times
• Backup & restore puzzle progress to Google Drive
ABOUT
Nurikabe have also become popular under other names such as Islands in the Stream and Cell Structure. Similar to Sudoku, Kakuro and Hashi, the puzzles are solved using logic alone. All puzzles in this app are produced by Conceptis Ltd. - the leading supplier of logic puzzles to printed and electronic gaming media all over the world. On average, more than 20 million Conceptis puzzles are solved each day in newspapers, magazines, books and online as well as on smartphones and tablets across the world.
What’s new
Version 1.5.0 · Updated November 12, 2020
This version introduces • Graphic puzzle previews in the puzzle list screen, showing the progress of all puzzles in a volume as they are being solved. A Gallery view option has also been added for users preferring to see the puzzle previews in a larger format. • Backup & Restore: save puzzle progress to Google Drive and restore it back when the app is reinstalled.
User reviews
Another great addition to the Conceptis family of apps and one I'd been waiting years for! Would be even better with more free puzzles...
Another good puzzle game app from Conceptis. Thank you!
best game ever
Nice sleek interface with plenty of levels. I don't normally do in-app purchases but I've bought a few level packs for this game after completing the main levels.
Great thanks 👌
Good Nurikabe implementation, lots of puzzles at a wide range of difficulties. Fair business model.
Frequently asked questions
What are Nurikabe puzzles?
Nurikabe puzzles are addictive island-forming puzzles that were invented in Japan. They require pure logic to solve and offer endless fun and intellectual entertainment to puzzle fans of all skills and ages.
How do you play Nurikabe puzzles?
Each puzzle consists of a grid with clues. The objective is to create islands by partitioning between the clues with walls. The number of squares in each island should be equal to the value of the clue, all walls should form a continuous path, and there should be no wall areas of 2x2 or larger. Each island must contain one clue and be isolated from other islands horizontally and vertically.
What features does Conceptis Nurikabe offer?
Conceptis Nurikabe offers a highlighting option to help see if a wall segment is about to become isolated. It also has an island size counter to view how many squares belong to an island. The game features graphic previews in the puzzle list to show the progress of all puzzles as they are being solved. Additionally, there is a Weekly Bonus section providing an extra free puzzle each week.
What are the gaming features of Conceptis Nurikabe?
The gaming features of Conceptis Nurikabe include concurrently playing and saving multiple puzzles, puzzle library sorting and hiding options, unlimited Undo and Redo, highlighting wall segments, showing island size counter, checking puzzles, tracking puzzle solving times, and backing up and restoring puzzle progress to Google Drive.
What is the average number of Conceptis puzzles solved each day?
On average, more than 20 million Conceptis puzzles are solved each day in newspapers, magazines, books, online, as well as on smartphones and tablets across the world.
Alternatives to Conceptis Nurikabe
Looking for apps like Conceptis Nurikabe? Here are 6 similar Android apps on Google Play. The highest rated is Moxie - Word Traveler (4.7/5), and all 6 are free to download.
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SumSudoku: Killer Sudoku 4.7
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Sudoku: Classic and Variations 4.5
-
Slitherlink: Loop the Snake 4.5
-
Sudoku Quest 4.5
-
Block-a-Pix: Pixel Blocks 4.5
-
Moxie - Word Traveler 4.7
| App | Rating | Price | Installs | Last updated |
|---|---|---|---|---|
| Conceptis Nurikabe | 4.8 / 5 | Free | 10,000+ | Nov 12, 2020 |
| SumSudoku: Killer Sudoku | 4.7 / 5 | Free | 50,000+ | – |
| Sudoku: Classic and Variations | 4.5 / 5 | Free | 100,000+ | Mar 21, 2026 |
| Slitherlink: Loop the Snake | 4.6 / 5 | Free | 50,000+ | – |
| Sudoku Quest | 4.5 / 5 | Free | 1,000,000+ | – |
| Block-a-Pix: Pixel Blocks | 4.5 / 5 | Free | 100,000+ | – |
| Moxie - Word Traveler | 4.7 / 5 | Free | 100,000+ | Jul 15, 2026 |