# Sudoku51 — A sudoku game from outer space

> A sudoku game from outer space (iPhone/iPad app by Herbert Caller.)

- Source: https://appshunter.io/ios/app/sudoku51/id1450760182 (this page in markdown: same URL + `.md`)
- Developer: [Herbert Caller](https://appshunter.io/developer/1352839830)
- Category: Games, Entertainment, Casual, Puzzle
- Price: Free
- Age rating: 4+
- Requires: iOS 13.0 · 10 MB
- Languages: American English
- Released: 2019-01-29
- Data updated: 2026-05-18
- User reviews in markdown: https://appshunter.io/ios/app/sudoku51/id1450760182/reviews.md

## What is Sudoku51?

This game brings to you the classical sudoku with a space theme and new variations of the game that will challenge your mind, concentration and endurance.


## Version history (last 5 releases)

### 1.4 — 2023-07-11

Bug fixes:
1. Fixed rendering issues of the main game scene

### 1.3 — 2023-06-01

Latest version of iOS are    supported

### 1.2 — 2020-04-15

Support for new iOS SDK

### 1.1 — 2019-02-09

Minor improvements

### 1.0 — 2019-01-28

No release notes.

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| [Circus Matcher](https://appshunter.io/ios/app/circus-matcher/id1571261200) | — | Free | Games |
| [Sudoko - Classic Sudoku Puzzle](https://appshunter.io/ios/app/sudoko-classic-sudoku-puzzle/id6445800703) | — | Free | Games |
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## More apps by Herbert Caller

- [ArXivLens](https://appshunter.io/ios/app/arxivlens/id1352839831)
- [Score Warden](https://appshunter.io/ios/app/score-warden/id1446213224)
- [La Biblia Latinoamericana](https://appshunter.io/ios/app/la-biblia-latinoamericana/id1447550892)
- [The Sacred Bible](https://appshunter.io/ios/app/the-sacred-bible/id1448364127)
- [Wordhaze](https://appshunter.io/ios/app/wordhaze/id1449387511)
- [1769 KJV Bible](https://appshunter.io/ios/app/1769-kjv-bible/id1449613489)

All apps by Herbert Caller: https://appshunter.io/developer/1352839830

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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 2026-05-18.*