Play now for free

XXI 21 Puzzle Game is your next challenge!  Can you get a sum of 21 in every row and column?  It’s start off easy but as you progress you’ll find it very difficult. 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. Can you solve all 200 levels?  Can you become a XXI champion? FREE download for iOS and Android devices.


XXI: 21 Puzzle Game is available for FREE on your mobile device:

Download on the App Store
Get it on Google Play


  • 200 Unique & Challenging Puzzles
  • Achievements (V, X, L, C, CC)
  • Leaderboard for Highest Level
  • Beautiful Music, Sounds, and Retina Graphics
  • Universal App looks Great on iPhone and iPad
  • Share Solution Photos with Friends
  • Supports all iOS and Android devices