# Samurai Sudoku — 5 Small Merged Into 1 Big

> Five overlapping Sudoku grids with standard rules and multiple difficulty levels. (iPhone/iPad app by Stanley Lam.)

- Source: https://appshunter.io/ios/app/samurai-sudoku/id594421598 (this page in markdown: same URL + `.md`)
- Developer: [Stanley Lam](https://appshunter.io/developer/453164363)
- Category: Games, Board, Puzzle
- Price: Free with in-app purchases
- Rating: 4.62/5 from 374 App Store ratings · 116 written reviews indexed
- Age rating: 4+
- Requires: iOS 15.0 · 23 MB
- Languages: English, Japanese, Chinese, Chinese
- Released: 2013-02-04
- Data updated: 2026-08-27
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/samurai-sudoku/id594421598/reviews.md

## What is Samurai Sudoku?

Samurai Sudoku puzzle contains five overlapping sudoku grids. The basic sudoku rules apply to each 9 x 9 grid.

Basic Rule: Fill numbers in the board such that every row, column and region contains one occurrence of each number. 

**** Samurai Sudoku features ****

# Content
- 5 difficulty levels
- Various types of Sudokus, including Gattai (3 overlapping sudoku grids), Butterfly (4 overlapping sudoku grids), etc.

# Features
- "Hint" auto fills the board with memo that has no direct conflicts with other numbers
- Highlight same numbers as you select a number on board
- Autosave the process of unfinished levels
- Record best completion time for each level

# Challenge
- Game Center Achievements
- Try to complete as many levels as possible

If you have encountered any problem, please send an email to brightskygames@me.com

## Key features

- Five overlapping Sudoku grids
- Five difficulty levels
- Various Sudoku types (Gattai, Butterfly)
- Hint feature with conflict checking
- Highlight same numbers
- Autosave progress
- Record best completion times

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Samurai Sudoku | $3.99 | one-time |
| Jigsaw Samurai Pack | $2.99 | one-time |
| Diagonal Samurai Pack | $1.99 | one-time |
| Anti Diagonal Samurai Pack | $2.99 | one-time |
| Samurai Beginner Pack | $1.99 | one-time |
| Samurai Median Pack | $1.99 | one-time |
| Samurai Advanced Pack | $1.99 | one-time |
| Samurai Expert Pack | $1.99 | one-time |
| Samurai Beginner Pack 2 | $1.99 | one-time |
| Samurai Advanced Pack 2 | $1.99 | one-time |
| Samurai Basic Pack | $1.99 | one-time |
| Samurai Gattai-3 Pack | $1.99 | one-time |
| Butterfly Sudoku | $1.99 | one-time |
| Flower Sudoku | $1.99 | one-time |
| 90 Days of All Puzzles | $14.99 | one-time |
| Cross Sudoku | $2.99 | one-time |
| Gattai-3 Diagonal Pack | $1.99 | one-time |
| 30 Days of All Puzzles | $5.99 | one-time |
| Sudo-Kurve | $1.99 | one-time |
| Twodoku | $1.99 | one-time |


## What do users think of Samurai Sudoku?

Overall sentiment: positive

**Pros**

- 🎮 Excellent variety of puzzle types and game modes
- 🧠 Challenging and mentally stimulating gameplay
- 👍 User-friendly interface and intuitive controls
- 🎨 Well-designed graphics and visual presentation
- ⭐ Addictive and entertaining for extended play
- 🔧 Helpful features like error checking and note-taking
- 💰 Good value for money with multiple puzzle options
- 🎯 Multiple difficulty levels for all skill levels

**Cons**

- 🐛 Frequent app crashes and freezing issues
- 📱 Unresponsive touch controls requiring multiple taps
- 🎥 Video loading problems for weekly puzzles
- 💾 Loss of purchased content and progress after updates
- 📺 Excessive and intrusive advertising
- 👁️ Text and numbers too small for readability
- 🎨 Poor color scheme causing eye strain
- 💳 Expensive in-app purchase pricing model
- 🔄 Orientation/layout issues on certain devices

**Commonly reported bugs**

- App crashes when watching required videos
- Weekly puzzle videos fail to load
- Game freezes mid-puzzle with no progress saved
- Purchased puzzles disappear after app updates or reinstalls
- Ad screens block gameplay with no visible close button
- Unresponsive number input requiring multiple taps
- App locks up permanently in certain situations
- Video orientation mismatch on horizontal device orientation
- Occasional glitches requiring app restart
- Multiple solutions recognized as single correct answer

**Most requested features**

- Auto-fill feature for candidate notes/pencil marks
- Pause button for games in progress
- Left-handed mode option
- Highlight vertical and horizontal lines for easier solving
- Ability to create and submit custom puzzles
- Larger puzzle sizes and more complex variations
- Clue system that provides one hint at a time
- Screen lock to prevent auto-dimming during gameplay
- Bundled subscription option instead of individual pack purchases
- Auto-generate puzzles instead of hard-coded content

## Recent user reviews (10 of 116)

All indexed reviews: https://appshunter.io/ios/app/samurai-sudoku/id594421598/reviews.md

### 5/5 — Game stop working

*2025-12-30, version 2.17.3*

All of sudden in the last week the weekly puzzle videos stop loading for access to new videos and games.

### 1/5 — Game stop working

*2025-12-29*

All of sudden in the last week the weekly puzzle videos stop loading for access to new videos.

### 5/5 — Video

*2025-12-08, version 2.17.2*

Impossible de voir les videos pour jouer.

### 3/5 — Problème jeux hebdomadaire

*2025-11-18, version 2.17.1*

Impossible de les vidéos, toujours en erreur

### 1/5 — Numbers are way too small

*2025-10-07, version 2.17.1*

Note numbers are way too small for older adults.

### 5/5 — FEW ADS, EASY TO SWITCH BACK AND FORTH

*2025-08-20, version 2.17.1*

Love this particular sudoku game! Easy to switch from placing a number and placing possible numbers. Highly enjoy THIS VERSION!

### 5/5 — It’s a thinker

*2025-03-31, version 2.17.1*

This is a great game.
Not like the regular game that one makes you think but this one really makes you think.  Not boring.
I like this game better!

### 1/5 — denied multiple star solutions

*2025-03-23, version 2.17.1*

denied multiple star solutions

### 2/5 — Crashed

*2024-12-04, version 2.17*

crashed, no progress saved. Infuriating.

### 5/5 — Puzzles

*2024-11-23*

Trouble with some of these puzzles, you can only go so far and then you have to guess. That is not how you should solve them. You should be able to solve them, but you can’t. So what I’m going to do now, is delete them. What is the point if you can’t solve them.

## Frequently asked questions about Samurai Sudoku

### What is Samurai Sudoku?

Samurai Sudoku is a puzzle game that features five overlapping 9x9 Sudoku grids. The core gameplay involves filling numbers into the grids according to standard Sudoku rules, where each row, column, and 3x3 region must contain each digit from 1 to 9 exactly once.

### What are the key features of this Samurai Sudoku app?

The app offers five difficulty levels and various Sudoku types like Gattai and Butterfly. It includes a helpful 'Hint' feature that fills in memos without direct conflicts, highlights selected numbers, autosaves your progress, and records your best completion times for each level.

### Is this app free to play?

Yes, the app is free to download and play. It includes advertisements and offers in-app purchases, which may provide additional features or remove ads.

### What kind of challenges does the app offer?

Beyond the core puzzle-solving, the app includes Game Center Achievements to provide extra goals and motivation. Players are encouraged to challenge themselves by completing as many levels as possible, testing their speed and accuracy.

### What are the different types of Sudoku puzzles available?

The app includes standard Samurai Sudoku puzzles, which consist of five overlapping grids. It also features variations such as Gattai, which uses three overlapping grids, and Butterfly, which uses four overlapping grids, offering diverse puzzle arrangements.

## Version history (last 5 releases)

### 2.17.6 — 2026-05-21

- Bug fixes and performance improvements

### 2.17.5 — 2026-05-20

- Fixed wrong layout in some devices

### 2.17.3 — 2025-12-19

- Bug fixes and performance improvements

### 2.17.2 — 2025-12-02

- Bug fixes and performance improvements

### 2.17.1 — 2025-01-27

- Bug fixes and performance improvements

## Apps similar to Samurai Sudoku

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Sudoku Quest - Puzzle Games](https://appshunter.io/ios/app/sudoku-quest-puzzle-games/id671755288) | 4.7 (1,852) | Free | Games |
| [Sudoku ∙](https://appshunter.io/ios/app/sudoku/id727577974) | 4.7 (1,434) | Free | Games |
| [Sudoku Joy: Number Master Game](https://appshunter.io/ios/app/sudoku-joy-number-master-game/id1460985516) | 4.9 (738) | Free | Games |
| [Sudoku Mega Bundle](https://appshunter.io/ios/app/sudoku-mega-bundle/id970674839) | 4.8 (2,874) | Free | Games |
| [Sudoku by Joseph](https://appshunter.io/ios/app/sudoku-by-joseph/id421136193) | 4.7 (2,394) | Free | Games |
| [Sudoku: Variants & Classic](https://appshunter.io/ios/app/sudoku-variants-and-classic/id1530683853) | 4.8 (1,588) | Free | Games |

## More apps by Stanley Lam

- [Sudoku Revolution](https://appshunter.io/ios/app/sudoku-revolution/id546630587)
- [Islands in the Stream](https://appshunter.io/ios/app/islands-in-the-stream/id571234122)
- [Number Join - Connect numbers](https://appshunter.io/ios/app/number-join-connect-numbers/id603551538)
- [Number Join - Connect Diagonal](https://appshunter.io/ios/app/number-join-connect-diagonal/id611072465)
- [Line Sweeper](https://appshunter.io/ios/app/line-sweeper/id614449716)

All apps by Stanley Lam: https://appshunter.io/developer/453164363

## Related topics

[samurai sudoku](https://appshunter.io/ios/topics/samurai-sudoku)

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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 2026-08-27.*