XXI: 21 Level 81 Answers, Solutions, Tips and Walkthroughs. Game available on iPhone, iPod, iPad, Kindle and Android.
XXI: 21 Puzzle Game by TMSOFT.
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?
- XXI: 21 Puzzle Game Solutions