Welcome to Zone 21 - Math Solitaire a Brand New Mathematics game where you can win Real World Rewards and Cash Prizes (where available)!
Remove the cards from the board and try to stay between 0 and 21. Keep the target number close to 21 for more points. Exactly 21 will give you best points.
Some Key Features:
• Classic Solitaire Card game with some amazing twists!
• Clear the cards from table and stay between 0 and 21.
• Ready for the challenge? Try to hit the target number 21 and get the great bonuses.
• Play for free as long as you want without constantly sitting through ads.
• Play against friends and solitaire around the world!
• Calculate cards as quick as you can! You have 3 minutes to beat your opponent.
• Win and show off your scores on the leaderboard!
• Challenge people from around the world
• Put your skills to the test and compete to win cash prizes!
• Cash rewards for top scorers (where allowed)!
Download Zone 21 - Math Solitaire and test your calculating skills today!
If you have any questions or proposals to the game, we hope you contact us at email@example.com
If you have any questions about the Skillz system or cash tournaments please contact: firstname.lastname@example.org
• bug fix
• faster cards
Ratings and ReviewsSee All
Super great games, creators and staff. They always respond in a matter of minutes and they take care of you well.
- CodeCube Brothers Partnership
- 182.4 MB
Requires iOS 10.0 or later. Compatible with iPhone, iPad, and iPod touch.
English, French, German, Italian, Japanese, Portuguese, Russian, Simplified Chinese, Spanish
- Age Rating
- Gambling and Contests
- © CodeCube Brothers Partnership
With Family Sharing set up, up to six family members can use this app.