# Japanese NURIKABE Puzzle — One solution. Pure logic.

> One solution. Pure logic. (iPhone/iPad app by torankirite.)

- Source: https://appshunter.io/ios/app/japanese-nurikabe-puzzle/id6787367657 (this page in markdown: same URL + `.md`)
- Developer: [torankirite](https://appshunter.io/developer/1883564850)
- Category: Games, Education, Board, Puzzle
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: American English, Japanese
- Released: 2026-07-09
- Data updated: 2026-09-04
- User reviews in markdown: https://appshunter.io/ios/app/japanese-nurikabe-puzzle/id6787367657/reviews.md

## What is Japanese NURIKABE Puzzle?

Numbers are islands. Paint the rest into walls.
That’s the whole rule—and the quiet satisfaction of a solved grid is hard to put down. Best of all, every puzzle here has exactly one solution. No guessing required.

What is Nurikabe?
Each number is the size of a white “island.” Grow each island to exactly that many connected cells, then paint every remaining cell black to form the “wall.” Islands may never touch edge-to-edge, the wall must all connect into one region, and no 2×2 block of wall is allowed. From those constraints, you deduce the whole board with logic alone—a beloved Japanese pencil puzzle (a Nikoli classic).

Features
• Always one solution: every generated board is solver-verified, so you solve by reasoning, never luck.
• Four difficulties: Easy (6×6), Medium (8×8), Hard (10×10), Expert (12×12).
• A daily puzzle: the same board for everyone each day, with streaks and a calendar.
• Effortless input: tap to paint, drag to fill, long-press for walls—plus hint and undo.
• Gentle assists: optional mistake highlighting and input-order settings.
• Fully offline: play anywhere, no signal needed. Dark mode included.
• A calm, ink-on-paper look.

Great for you if…
• You’ve worn out Sudoku or nonograms and want the next challenge.
• You’re tired of luck-based or ad-heavy puzzle apps.
• You want a few clear-headed minutes on your commute or before bed.
• You love pencil puzzles and appreciate an honestly built app.

Privacy & peace of mind
• No account required.
• All records stay on your device—nothing is sent to a server.
• It works entirely offline.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium | $4.99 | one-time |



## Version history (last 2 releases)

### 1.1 — 2026-08-01

Stability improvements and overall performance optimizations.

### 1.0 — 2026-07-09

No release notes.

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All apps by torankirite: https://appshunter.io/developer/1883564850

## Related topics

[japanese nurikabe puzzle](https://appshunter.io/ios/topics/japanese-nurikabe-puzzle) · [nurikabe puzzle](https://appshunter.io/ios/topics/nurikabe-puzzle) · [nurikabe](https://appshunter.io/ios/topics/nurikabe)

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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 2026-09-04.*