XXI: 21 Puzzle Game

XXI: 21 Puzzle Game
XXI: 21 Puzzle Game
Developer: TMSOFT
Category: Puzzle
123.5K installs
718 ratings
+58 monthly installs
trend steady
SDKs, Trackers & Permissions

App not yet scanned for SDKs.

App Details
Store ID: com.tmsoft.xxi
First Released: 2016-03-23
Store Last Updated: 2025-08-22
In-App Purchases: No
Ads: Yes
Website: games.tmsoft.com
App Store
Crawl Status: Success
Store First Crawled: 2023-10-17
Store Last Crawled: 2025-11-23
Ads & App-Ads.txt
Ads.txt Last Crawled: 2025-10-20
Ads.txt Crawl Status: Success
SDK Tracking Status
App not yet analyzed for SDKs.

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4.08★

Ratings: 718

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Screenshots

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App Description

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

XXI puzzles require a sum of 21 in every row and column. Move the gems around on the board until a solution is found. All gems have a unique numerical value, but watch out for the special gem that can be either a 1 or 11. Puzzles get harder as you progress your way through all 200 levels. Can you become a XXI champion?

FEATURES
- 200 Unique & Challenging Puzzles
- Google Play Achievements (V, X, L, C, CC)
- Google Play Leaderboard for Highest Level
- Beautiful Music, Sounds, and Graphics
- Optimized for all Android Phones and Tablets
- Share Solution Photos with Friends

Thanks for playing XXI by TMSOFT and good luck!

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