# Nurikabe puzzle

> Binary determination logic puzzle game with numbered wall cells and stream rules. (iPhone/iPad app by Yuki Fujimoto.)

- Source: https://appshunter.io/ios/app/nurikabe-puzzle/id1073531290 (this page in markdown: same URL + `.md`)
- Developer: [Yuki Fujimoto](https://appshunter.io/developer/467085185)
- Category: Games, Education, Board, Strategy
- Price: Free
- Rating: 4.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 6.0 · 7 MB
- Languages: English, Japanese
- Released: 2016-01-22
- Data updated: 2026-07-07
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/nurikabe-puzzle/id1073531290/reviews.md

## What is Nurikabe puzzle?

Nurikabe is a binary determination puzzle.

The challenge is to paint each cell black or white, subject to the following rules:
  Each numbered cell is a wall cell, the number in it is the number of cells in that wall.
  Each wall must contain exactly one numbered cell.
  There must be only one stream, which is not allowed to contain "pools", i.e. 2x2 areas of black cells.

The app has manual which teach how to solve the puzzle.
Please challenge it.

## Key features

- Binary determination puzzle
- Color cells black or white
- Numbered wall cell rules
- Single stream constraint
- No 2x2 black cell areas
- In-app manual


## Frequently asked questions about Nurikabe puzzle

### What is Nurikabe puzzle?

Nurikabe puzzle is a logic game where you color cells black or white according to rules about numbered wall cells and streams. It's designed to challenge your deductive reasoning skills.

### How do you play Nurikabe puzzle?

You must color cells black or white. Numbered cells represent walls, and their number indicates the size of that wall. Each wall needs a single numbered cell, and there should be only one continuous stream of white cells without any 2x2 black areas.

### Does Nurikabe puzzle have a tutorial?

Yes, Nurikabe puzzle includes a manual that teaches you how to solve the puzzle, making it accessible even for beginners.

### Is Nurikabe puzzle free to play?

Yes, Nurikabe puzzle is available for free on supported devices.

### What devices can I play Nurikabe puzzle on?

Nurikabe puzzle is available on iPhone, iPad, and iPod devices.

### What is the age rating for Nurikabe puzzle?

Nurikabe puzzle has an age rating of 4+, making it suitable for a wide range of players.

### Does Nurikabe puzzle have ads?

No, Nurikabe puzzle is ad-free, allowing for an uninterrupted puzzling experience.

### When was Nurikabe puzzle last updated?

Nurikabe puzzle was last updated on January 22, 2016, with version 1.0.

## Version history (last 1 release)

### 1.0 — 2016-01-22

This app has been updated by Apple to display the Apple Watch app icon.

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## More apps by Yuki Fujimoto

- [Thoroughly Freecell](https://appshunter.io/ios/app/thoroughly-freecell/id849017205)
- [Mahjong Tile Solitaire](https://appshunter.io/ios/app/mahjong-tile-solitaire/id892138094)
- [Thoroughly Sichuan](https://appshunter.io/ios/app/thoroughly-sichuan/id894399422)
- [Thoroughly Pelmanism](https://appshunter.io/ios/app/thoroughly-pelmanism/id896355967)
- [Four Leaf Clover](https://appshunter.io/ios/app/four-leaf-clover/id898621721)
- [Thoroughly Honkong (Mahjong Puzzle)](https://appshunter.io/ios/app/thoroughly-honkong-mahjong-puzzle/id901291989)

All apps by Yuki Fujimoto: https://appshunter.io/developer/467085185

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-07.*