21 Not Blackjack - Math Puzzle Android

21 Not Blackjack - Math Puzzle

Math puzzle game using playing card to make 21.
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Features & Capabilities

"21 Not Blackjack - Math Puzzle" is a new game that transforms traditional playing cards into a logical math puzzle. In this game, you need to use number cards along with addition, subtraction, multiplication, and division to make 21. It's a game with a simple set of rules based on commonly known arithmetic operations, allowing players to sharpen their numerical skills.

* Gameplay:
- Start with 3 to 5 number cards and use them to make 21 by utilizing all the given cards.
- Play number cards and use the addition, subtraction, multiplication, and division buttons to obtain operator cards. If the result of the equation is 21, you'll clear the level.
- Anyone who can perform basic arithmetic can enjoy this game.
- It's user-friendly with simple touch controls, making it accessible to everyone.
- Enhance your math skills and logical thinking through gameplay.
- Keep breaking through increasingly challenging levels to become a numbers master.

* Features:
- A very simple rule based on the universally known arithmetic operations.
- User-friendly and straightforward touch controls.
- Clean and flat design.
- Enjoyable gameplay with beautiful music.
- Dark mode support.
- Over 220 levels to conquer.

User Growth & Download Statistics

Game
By:
roenneon
Downloads:
67
Version:
0.9.93 Last updated: 2026-02-26
Version code:
193
Creation date:
2026-02-25
Permissions:
  • com.google.android.gms.permission.AD_ID Moderate risk
  • android.permission.ACCESS_ADSERVICES_AD_ID Low risk
  • android.permission.ACCESS_ADSERVICES_ATTRIBUTION Low risk
  • android.permission.ACCESS_ADSERVICES_TOPICS Low risk
  • android.permission.FOREGROUND_SERVICE Low risk
  • android.permission.INTERNET Low risk
  • android.permission.WAKE_LOCK Low risk
  • android.permission.ACCESS_NETWORK_STATE Safe
Size:
32.27MB
Email:
ro*****@gmail.com
URLs:
Website ,Privacy policy
Full description:
See detailed description
Source:
Google Play Store
Data ingested on:
2026-02-26
Compare stats and ranking:

Contact the developer

Chrome-Stats does not own this Android app. Please use these information below to contact the Android app developer.
Developed by:
roenneon
Google Play Store
https://play.google.com/store/apps/details?id=com.roenneon.twentyone
Email:
ro*****@gmail.com
Website:
https://roenneon.blogspot.com/

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