
About
A strategic puzzle game with a Zen-like feel. Combine numbers based on their color and value to achieve the highest score. Save multiple games simultaneously and unlock special abilities as you progress.
What's New in + &
2.3.2
January 7, 2026
• removed the button to access Game Center which has been disabled
In-App Purchases
$0.99
Change The Number
To buy touch two numbers on the board (make a move), then touch one of the three buttons that will appear on the top of the screen, a popup for in-app purchase will appear.
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FAQ
How do you play + & - : A Zen game?
You tap two numbers. If they have equal numbers on a background of equal color, they are added. If they have different numbers on a background of different color, they are subtracted. The result replaces the second number tapped. The goal is to achieve the highest score.
Can I play multiple games of + & - : A Zen game at once?
Yes, you can save the current game and start a new one, allowing you to play up to 9 games simultaneously.
What happens when I reach 500 points in + & - : A Zen game?
Once you exceed 500 points, you unlock the ability to swap the numbers of two quartets of different colors by dragging one over the other.
Does + & - : A Zen game have ads?
No, this game does not contain advertisements, offering an uninterrupted experience.
How many color combinations are available in + & - : A Zen game?
You can customize the colors of the board with 351 different combinations, and also change the user interface color to light or dark.
What devices is + & - : A Zen game compatible with?
+ & - : A Zen game is available for iPhone, iPad, and iPod devices.
What is the age rating for + & - : A Zen game?
The game has an age rating of 4+, making it suitable for younger players.
How often is + & - : A Zen game updated?
The latest version is 2.3.2, and it was last updated on January 7, 2026. This suggests a consistent update schedule.




