XXI: 21 Puzzle Game
com.tmsoft.xxi
FreeContains adsEveryone
The rest of TMSOFT's catalogue
All 32 appsKey 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 name | com.tmsoft.xxi |
|---|---|
| Developer | TMSOFT |
| Developer website | tmsoft.com |
| Category | Puzzle games |
| Installs (exact) | 126,990 |
| Ratings | 712 |
| Reviews | 32 |
| Price | Free |
| In-app purchases | No |
| Ads | Yes |
| Content rating | Everyone |
| Current version | 1.7 |
| Requires Android | 6.0 |
| Released | Mar 23, 2016 |
| Last update | Aug 22, 2025 |
| Record refreshed | Oct 27, 2026 |