# Brain Test X: Hard Challenge

> Challenge your brain with the trickiest puzzles in Brain Test 5!

Canonical page: [https://chrome-stats.com/d/com.unicostudio.braintest5](https://chrome-stats.com/d/com.unicostudio.braintest5)

## Overview

- **ID:** `com.unicostudio.braintest5`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Unico Studio
- **Category:** GAME\_TRIVIA
- **Downloads:** 4,542,885
- **Rating:** 4.79 / 5 (58,682 ratings)
- **Version:** 1.2.6
- **Last updated:** 2026-07-20
- **First published:** 2026-02-12
- **Publisher country:** US
- **Size:** 185 MB
- **Data as of:** 2026-09-12
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.unicostudio.braintest5)
- **Website:** [https://unicostudio.co/](https://unicostudio.co/)
- **Privacy policy:** [https://unicostudio.co/privacy.html](https://unicostudio.co/privacy.html)

## Description

Get ready for Brain Test 5, the next chapter in the Brain Test series. This offline, ad-free puzzle adventure features new characters, multi-stage levels, and clever brain teasers that push your logic and problem-solving skills.

Perfect for adults and kids alike, this free brain-training game offers brain puzzles you can enjoy without wifi, solo or with friends, and a chance to boost your IQ through fun, addictive challenges.

## Rankings

- #25,949 — Overall
- #6 — Game trivia (Free)
- #22 — Game trivia (Gross)
- #141 — Top game in Turkey

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_CUSTOM_AUDIENCE`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.ACCESS_WIFI_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.POST_NOTIFICATIONS`
- `android.permission.VIBRATE`
- `android.permission.WAKE_LOCK`
- `com.amazon.privacypass.ATTEST`
- `com.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.c2dm.permission.RECEIVE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.unicostudio.braintest5.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`
- `com.unicostudio.braintest5.permission.C2D_MESSAGE`

## Review summary

Brain Test 5 is widely praised for its fun, brain-stimulating puzzles and positive reception, but suffers from substantial ad fatigue and an annoying late-game life mechanic that blocks progression. Some players also find the puzzles repetitive over time, and a few report update or level-delivery issues. Overall, it’s an engaging brain-teaser when you can play with fewer interruptions.

### Pros

- Fun and engaging puzzle gameplay.
- Reported brain-training benefits and improvements in thinking.
- Broad positive reception and enthusiasm from players.

### Cons

- Excessive, long ads that interrupt gameplay.
- Late-game life/heart mechanic that blocks progression and replaying levels.
- Can feel repetitive or boring after a while.
- Update/level delivery issues (missing updates or not fully developed content).

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Source: [Chrome-Stats](https://chrome-stats.com/d/com.unicostudio.braintest5)