XXI: 21 Puzzle Game

Name: XXI: 21 Puzzle Game
Rating: 4.142857 (713 reviews)
Author: TMSOFT

By: TMSOFT Game

Can you get a sum of 21 in every row and column? It's not that easy!

Features & Capabilities

XXI: 21 Puzzle Game is a challenging brain teaser where you must arrange gems on a board so that every row and column sums to exactly 21. Featuring 200 unique puzzles, the game includes a special gem that can act as either 1 or 11, adding a layer of strategic depth. With beautiful music, sounds, and graphics, it offers an engaging experience optimized for all Android phones and tablets.

Compete through Google Play Achievements and Leaderboards, track your progress, and share your solution photos with friends. If you enjoy numeric puzzles and mental challenges, XXI will keep you entertained and thinking for hours.

User Growth & Download Statistics

Game Games Entertainment Education

By:

TMSOFT

Downloads:

126,356 94

Rating:

4.14

(713) 0.14

Version:

1.7 Last updated: 2025-08-22

Version code:

170

Creation date:

2016-03-23

Publisher country:

Permissions:

android.permission.READ_PHONE_STATE Very high risk
android.permission.READ_EXTERNAL_STORAGE High risk
android.permission.WRITE_EXTERNAL_STORAGE High risk
com.applovin.array.apphub.permission.BIND_APPHUB_SERVICE Moderate risk
com.google.android.gms.permission.AD_ID Moderate risk
android.permission.ACCESS_WIFI_STATE Low risk
android.permission.INTERNET Low risk
android.permission.POST_NOTIFICATIONS Low risk
android.permission.WAKE_LOCK Low risk
com.google.android.c2dm.permission.RECEIVE Low risk

Size:

21.38MB

Email:

su*****@tmsoft.com

URLs:

Website ,Privacy policy

Full description:

Source:

Google Play Store

Data ingested on:

2026-07-14

Compare stats and ranking:

Ranking

# 193,834 ▼ 1,295

For Developers

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Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.

Developed by:

TMSOFT

Google Play Store

https://play.google.com/store/apps/details?id=com.tmsoft.xxi

Email:

su*****@tmsoft.com

Website:

https://games.tmsoft.com/xxi/

User Reviews

Reviewers consistently praise XXI as fun, engaging, and addictive with a polished presentation. Many note the game starts easy but becomes progressively harder and offers a large pool of levels to master, keeping it entertaining over time. The audio is praised and the entry is casual-friendly. However, there are isolated concerns: a compatibility issue on some Samsung devices; unclear information about achievements and certain tile mechanics; and suggestions for improvements like end-game sharing or in-game guidance. Overall, the positives outweigh the drawbacks.

Pros