XXI: 21 Puzzle Game

Name: XXI: 21 Puzzle Game
Rating: 4.6 (712 reviews)
Author: TMSOFT

TMSOFT

★ 4.6 (712 ratings)

⬇ 100,000+ downloads

Est. actual: 126,822

Style: Other

Free

Released: Mar 23, 2016

No in-app purchases

Contains ads

Rated: Everyone

Signals

4 this week · 2 positive · 1 warning All of this week's signals →

📈Last 7 days +89 installs · 7/day since Sep 23
🏆Among Other games top 45% by installs gained this week (3586 peers growing)
⭐Rating steady at ★ 4.60 since Sep 23
🛠Updates dormant · updated 409 days ago

Installs since launch

+89 installs · 0 ratings since Sep 23

Update history

1.7 Aug 22, 2025 · seen Sep 23, 2026

- Updated for latest android compatibility

Only the current version so far — new entries appear as the game ships updates.

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/