IQ Test - Cryptex Challenge Icon

IQ Test - Cryptex Challenge APK for Android

6M+
Free
Oct 4, 2025

Test your IQ? Train your brain by solving great logic puzzles and brain teasers!

Download IQ Test - Cryptex Challenge APK 3.7 19MB

What is IQ Test?

The best IQ test

How many treasures of gray (substance) color during the game can you collect? Try yourself in this game to find out what you are capable of – that you may be geniuses!

During the game you have to use all your knowledge, but if they are not enough, then call for help all your imagination – only it can help you solve 60 logical, optical, numerical and verbal puzzles.

Each puzzle will set you a task, the solution of which will determine whether you will move to the next level of the game or not. There are only 5 difficulty levels of the game. Each next level is more difficult than the previous one. At the first level – for beginners – 90% of players solve puzzles. On the last – for geniuses – only 5% of the players cope with the tasks. And where will you find yourself – among the majority or the minority? As a guideline: 50% – this is the mark beyond which quantity turns into quality.

Note for the little ones. In case of difficulty, each puzzle has two hints that you can use. But once you use the hints – it will lower your IQ – you risk never becoming a genius. Geniuses include:

  • Albert Einstein – 160 IQ;
  • Wolfgang Mozart – 165 IQ;
  • Garry Kasparov – 190 IQ;
  • Leonardo Da Vinci – 220 IQ.

“Accurate knowledge means less than imagination. Knowledge is limited to what we actually know and understand. While imagination – it can contain the whole Universe, which humanity has only to measure (recognize) and understand ”- Albert Einstein once compared these two concepts – 1) knowledge and 2) imagination.

Also known as: Best IQ Test

Download IQ Test - Cryptex Challenge APK for Android

What's New in Version 3.7

Fixed an issue where letters on the puzzle screen keyboard could be hidden for some users.

Available Files

System Requirements

OS Version
Android 5.0 (Lollipop) or higher
Architecture
Varies by file (Which one do I need?)
Disk Space
~30 MB free space required
RAM
2 GB
Internet
Not required (Offline playable)
Google Services
Required
Permissions (10)
  • Internet
  • Access Network State
  • Vibrate
  • Wake Lock
  • Android.gms.permission.ad Id

APK File Details

Package ID brain.teasers.logic.puzzles.riddles
Available on Google Play
Developer bubble quiz games
License Free
Monetization Contains Ads  
Age Rating Everyone
Interface Language
English +16

English, Korean, Arabic, Italian, Portuguese, Russian, Chinese, Japanese, German, Thai, Turkish, Vietnamese, Hindi, French, Spanish, + 2 localizations

APK Verification & Virus Scan Results

Scan In Queue Signature Verified Safe & Original

Antivirus scan in queue, will be scanned soon. This APK is free of malware and its signature matches the official developer release.

Show File Details (SHA-256, SHA-1, MD5)

SHA-1 Signature:

6647ece45ed580377f6039175ca384588e42b007

SHA-256 Hash:

dd9383bf9791589470918b87d0c997784fe80c3ed68768e4554135e1bf90151e

MD5 Checksum:

0d5f172a4178773aca43fb4410b1a27b

Frequently Asked Questions

Is IQ Test safe to download?

IQ Test has passed a basic integrity check. A full antivirus scan is pending. You can check the current scan status in the Security section above.

How to install XAPK file?

XAPK is a split APK package. Standard Android installer cannot open it directly. Use 'SAI' or 'XAPK Installer' — they handle XAPK files automatically. Download the installer, open the XAPK file with it, and follow the on-screen steps. Read more

What Android version does IQ Test require?

IQ Test requires Android 5.0 (API 21) or higher. Optimized for Android 15 (API 35).

Is IQ Test free?

Yes, it is free to use, but it is ad-supported.

How to update IQ Test to the latest version?

Download the latest APK from this page and install it over your existing version — no need to uninstall first. Your data and settings will be preserved. We update the file as soon as a new version is released.

What processor architecture does IQ Test support?

IQ Test supports universal. If you are unsure about your device architecture, check the Device Info section on this page.

How to enable installation from unknown sources on Android?

Go to Settings → Security (or Settings → Apps → Special access on Android 8+) and enable "Install unknown apps" for your browser or file manager. On Android 8 and above this setting is per-app, not global. Read more

If you have found any issue or are having difficulty with this page, please .

User Reviews & Ratings

Global rating(Play Store): 3.98(84.9K)
Site Rating: 5(1)
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