# Gemdoku: Wood Block Puzzle

> Play block blast classic puzzle game from creators of Brain Test Tricky Puzzles.

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

## Overview

- **ID:** `com.unicostudio.gemdoku`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** Unico Studio
- **Category:** GAME\_PUZZLE
- **Downloads:** 1,964,115
- **Rating:** 4.66 / 5 (15,470 ratings)
- **Version:** 3.24.0
- **Last updated:** 2026-07-03
- **First published:** 2021-12-20
- **Publisher country:** US
- **Size:** 183 MB
- **Data as of:** 2026-09-14
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.unicostudio.gemdoku)
- **Website:** [https://unicostudio.co/](https://unicostudio.co/)
- **Privacy policy:** [https://unicostudio.co/privacy.html](https://unicostudio.co/privacy.html)

## Description

Gemdoku: Wood Block Puzzle is an engaging and addictive free puzzle game that merges the classic 9x9 sudoku grid with wooden block puzzle challenges. Players drag and place blocks to fill rows, columns, or 3x3 squares, clearing them to score points and beat their high scores. With beautiful wood graphics, satisfying sounds, and no time limits, Gemdoku offers an enjoyable brain training experience for players of all ages.

This offline game is easy to learn but challenging to master, providing hours of entertainment without any internet connection. Featuring combo points, streak bonuses, and unique trophies, Gemdoku enhances your IQ and puzzle-solving skills while offering a quiet, zen gaming experience. Perfect for family and friends, download Gemdoku for a fun, relaxing, and stimulating block puzzle adventure anytime, anywhere.

## Rankings

- #45,556 — Overall

## 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.android.vending.BILLING`
- `com.android.vending.CHECK_LICENSE`
- `com.google.android.finsky.permission.BIND_GET_INSTALL_REFERRER_SERVICE`
- `com.google.android.gms.permission.AD_ID`
- `com.unicostudio.gemdoku.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

## Review summary

Players praise Gemdoku for addictive, challenging gameplay and nice visuals, but repeatedly complain about intrusive ads (especially for Play Pass), ad-reward glitches, monetization changes after updates, and slow support. These recurring issues overshadow the positives for many users.

### Pros

- Addictive and highly engaging puzzle gameplay.
- Fun and good for passing the time.
- Challenging puzzles that require thought and planning.
- Pleasant visuals with a cool aesthetic.

### Cons

- Intrusive ads, including for Play Pass users; ads persist despite subscription.
- Rewards/ads integration bugs (ads sometimes don’t grant rewards or coins, ad gating issues).
- Monetization changes after updates with ads added or no easy option to remove them; promises of ad-free play are inconsistent.
- Poor or slow customer support/responses to reported issues.

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