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Last updated on: 2026-06-09
App Store Apps > Games > Board Games > Zone 21 - Fast Math Solitaire
Zone 21 - Fast Math Solitaire icon

Zone 21 - Fast Math Solitaire

1.1.5
CodeCube Brothers Partnership
4.83
23 reviews
Free

Not recently updated — last update was on 2023-05-20. This app may no longer be actively maintained.
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About Zone 21 - Fast Math Solitaire

Zone 21 - Fast Math Solitaire is an overall app developed by CodeCube Brothers Partnership.

Download Statistics

User Ratings

Zone 21 - Fast Math Solitaire is rated 4.83 out of 5 stars. The rating is based on 23 ratings.

App Information

Zone 21 - Fast Math Solitaire is FREE to download. The APK download size is 155.24 MB. The latest version available is 1.1.5. The last update was on May 20, 2023.

Technical Requirements

The app has a content rating of High Maturity. The app has been available on Google Play November 2019.

Description
Welcome to Zone 21 - Fast Math Solitaire a brand new card game where you can win real-world rewards and cash prizes (where available)!

Try to stay between 0 and 21. It's not easy and tries to keep the target number close to 21 to earn more points!

It's a jackpot when you get exactly 21 and earn great bonus points.

SOME KEY FEATURES:
• Classic mathematical card game with some amazing twists!
• Clear the cards from the table and stay between 0 and 21.
• Ready for the challenge? Try to hit the target number 21 and get great bonuses.

MULTIPLAYER FEATURES:
• Play against friends and solitaire around the world!
• Calculate cards as quickly as you can! You have 3 minutes to beat your opponent.
• Win and show off your scores on the leaderboard!

EARN PRIZES:
• 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)!

Challenge people around the world with Skillz, a competition platform complete with leaderboards, trophies, physical or virtual prizes, and an amazing loyalty program that rewards you for playing!

If you have any questions or proposals for the game, we hope you contact us at support@ccbrothers.com
If you have any questions about the Skillz system or cash tournaments please contact: support@skillz.com
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More data about Zone 21 - Fast Math Solitaire

Price Free to download
Rating 4.83 based on 23 ratings
Ranking Not ranked
Version 1.1.5
App download size 155.2 MB
Maturity High Maturity

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Changelog of Zone 21 - Fast Math Solitaire

No changelog data

Developer information for CodeCube Brothers Partnership

CodeCube Brothers Partnership

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