21 Not Blackjack - Math Puzzle

Contains ads
50+
Downloads
Content rating
Everyone
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image
Screenshot image

About this game

"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.
Updated on
Aug 12, 2025

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
Data is encrypted in transit

What’s new

Target api to 35