XXI: 21 Puzzle Game

com.tmsoft.xxi
FreeContains adsEveryone

The rest of TMSOFT's catalogue

All 32 apps

Key numbers

1K+Installs
4.6 / 712Rating
Mar 23, 2016Released
Aug 22, 2025Updated

About the app

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 P…

Listing details

Package namecom.tmsoft.xxi
DeveloperTMSOFT
Developer websitetmsoft.com
CategoryPuzzle games
Installs (exact)126,990
Ratings712
Reviews32
PriceFree
In-app purchasesNo
AdsYes
Content ratingEveryone
Current version1.7
Requires Android6.0
ReleasedMar 23, 2016
Last updateAug 22, 2025
Record refreshedOct 27, 2026