# ShirokuLogic — 2000 black-and-white puzzles

> Logic puzzle game using number clues to color cells black or white. (iPhone/iPad app by Takeru Ito.)

- Source: https://appshunter.io/ios/app/shirokulogic/id6810921818 (this page in markdown: same URL + `.md`)
- Developer: [Takeru Ito](https://appshunter.io/developer/1153247304)
- Category: Games, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 179 MB
- Languages: American English, French (France), German (Germany), Japanese, Korean, Brazilian Portuguese, Chinese (Simplified, China), European Spanish, Chinese (Traditional, Taiwan)
- Released: 2026-09-15
- Data updated: 2026-10-04
- Monetization: ad-supported
- User reviews in markdown: https://appshunter.io/ios/app/shirokulogic/id6810921818/reviews.md

## What is ShirokuLogic?

Black. White. A flash of insight.

ShirokuLogic is a logic puzzle in which you use number clues to color every cell black or white.

Each intersection number counts the less common color in the four cells around it. A 1 means three white and one black, or the reverse. It does not simply count black cells. Connect the clues and enjoy the moment everything falls into place.

• 2000 puzzles, from gentle introductions to thoughtful challenges
• Discover special rules, including matching cells, minority arrows and line balance
• Organize your ideas with X and Y notes
• Undo, retry and automatic progress saving
• A clean monochrome design and music you can switch on or off
• Nine languages, with puzzles playable offline

Contains ads. An internet connection is required for ads. Hints are available by watching rewarded ads.

## Key features

- Number clue logic puzzles
- Color cells black or white
- 2000 unique puzzles
- Special rule discovery
- Offline puzzle play
- Monochrome design
- Nine language support

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/shirokulogic/id6810921818/reviews.md

### 5/5 — 考えるのが楽しい！

*2026-09-18*

わかるところから少しずつ埋めていけば、自ずと答えが見えてきて、考えるのが楽しいです。全部埋めると自動的に答え合わせをしてくれるので、楽に進められるのも嬉しいです。
まだ入門しかやっていませんが、ステージを進めると特殊ルールも解禁されるみたいなので、これから挑戦するのが楽しみです。

## Frequently asked questions about ShirokuLogic

### What is ShirokuLogic?

ShirokuLogic is a logic puzzle game where players use number clues to color cells black or white. Each clue represents the count of the less common color in the four adjacent cells.

### How many puzzles are available in ShirokuLogic?

ShirokuLogic offers 2000 puzzles, ranging from easy introductions to more complex challenges, ensuring a long-lasting gameplay experience.

### Can I play ShirokuLogic offline?

Yes, ShirokuLogic supports offline play, allowing you to enjoy its puzzles without an internet connection. An internet connection is only required for ads.

### Does ShirokuLogic have ads?

Yes, ShirokuLogic contains advertisements. Hints are available by watching rewarded ads.

### What devices is ShirokuLogic available on?

ShirokuLogic is available on iPhone and iPad devices.

### What is the age rating for ShirokuLogic?

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

### How often is ShirokuLogic updated?

The latest version is 1.0.2, and the app was last updated on September 22, 2026, indicating recent development activity.

### Does ShirokuLogic have special gameplay rules?

Yes, ShirokuLogic includes special rules such as matching cells, minority arrows, and line balance to add variety and challenge to the puzzles.

## Version history (last 3 releases)

### 1.0.2 — 2026-09-22

• Added ranks based on the number of puzzles solved.
• Improved early tutorials for taps, swipes, and tapping 0 to fill four cells.
• Keep viewing the completed board and enjoy a new celebration effect.
• Improved the banner layout and memo display.

### 1.0.1 — 2026-09-16

Added new puzzles.

### 1.0.0 — 2026-09-15

No release notes.

## Apps similar to ShirokuLogic

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Lumira: Constellation Puzzle](https://appshunter.io/ios/app/lumira-constellation-puzzle/id6804756217) | — | Free | Games |
| [Pixel Tale Tiles](https://appshunter.io/ios/app/pixel-tale-tiles/id6788939453) | — | Free | Games |
| [Shatterglass: Zen Puzzle](https://appshunter.io/ios/app/shatterglass-zen-puzzle/id6796878400) | — | Free | Games |
| [Gotcha, Meow! Cat Hide & Seek](https://appshunter.io/ios/app/gotcha-meow-cat-hide-and-seek/id6798994447) | — | Free | Games |
| [One-Line Factory](https://appshunter.io/ios/app/one-line-factory/id6796680078) | — | Free | Games |
| [Foldku - Fold to 1](https://appshunter.io/ios/app/foldku-fold-to-1/id6794625644) | — | Free | Games |

## More apps by Takeru Ito

- [ColorRoom -謎解き部屋からの脱出-](https://appshunter.io/ios/app/colorroom/id1644475809)
- [謎解き千本ノック](https://appshunter.io/ios/app/id6670744926)
- [クロスワードパズルの扉](https://appshunter.io/ios/app/id6739774365)
- [Mine Sweeper NEXT](https://appshunter.io/ios/app/mine-sweeper-next/id6742145717)
- [図形推理IQテスト](https://appshunter.io/ios/app/iq/id6748841294)
- [ショートストーリー謎解き](https://appshunter.io/ios/app/id6749828522)

All apps by Takeru Ito: https://appshunter.io/developer/1153247304

---

*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 2026-10-04.*