XXI: 21 Puzzle Game

XXI: 21 Puzzle Game

TMSOFT

Available on Google Play
4.0(712)
100,000+ installsFreeGAME PUZZLE

Updated Aug 22, 2025 · v1.7

CompareView on Google Play
Screenshot 1
Screenshot 2
Screenshot 3
Screenshot 4
Screenshot 5
Screenshot 6
Screenshot 7
Screenshot 8
Screenshot 9
Screenshot 10
Screenshot 11
Screenshot 12
Screenshot 13
Screenshot 14
Screenshot 15

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/

Released
March 23, 2016

10 years on Google Play

Version
1.7
Updated
Aug 22, 2025
Content Rating
Everyone
Installs
100,000+
Developer
TMSOFT
Website
https://games.tmsoft.com/xxi/
Email
support@tmsoft.com
In-app purchases
No

This app isn't currently appearing in any tracked top charts.

Rating breakdown

5
352
4
232
3
0
2
0
1
112