# Unlock a Code — unlock a passcode faster

> unlock a passcode faster (iPhone/iPad app by 1st-impact co.,ltd..)

- Source: https://appshunter.io/ios/app/unlock-a-code/id1567165987 (this page in markdown: same URL + `.md`)
- Developer: [1st-impact co.,ltd.](https://appshunter.io/developer/438027937)
- Category: Games, Entertainment, Action, Casual
- Price: Free
- Age rating: 9+
- Requires: iOS 10.0 · 182 MB
- Languages: Japanese
- Released: 2021-05-26
- Data updated: 2026-05-17
- User reviews in markdown: https://appshunter.io/ios/app/unlock-a-code/id1567165987/reviews.md

## What is Unlock a Code?

The game is set in the laboratory. Try to solve the problems that occur one after another by unlocking a passcode as fast as possible!
Your quick thinking skills will be tested... Protect the laboratory!

■ How to play
・Just enter the numbers (passcode) displayed on the screen within the time limit!
The difficulty level will increase as the stage progresses. How many stages can you clear?

■ Credit
BGM : MaouDamashii
SE : OtoLogic
Laboratory Image : kiiroman


## Version history (last 2 releases)

### 1.1.0 — 2021-06-09

little fix

### 1.0 — 2021-05-27

No release notes.

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## More apps by 1st-impact co.,ltd.

- [No Breaker](https://appshunter.io/ios/app/no-breaker/id1528676202)
- [One Shot Break](https://appshunter.io/ios/app/one-shot-break/id1564055123)
- [Pogo Kitty](https://appshunter.io/ios/app/pogo-kitty/id1568932440)
- [Change of Course](https://appshunter.io/ios/app/change-of-course/id1571590081)

All apps by 1st-impact co.,ltd.: https://appshunter.io/developer/438027937

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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 2026-05-17.*