Concentration : Card Gamepedia

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1K+
Downloads
Content rating
Everyone
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About this game

Nervous weakness is a winning game if you flip two cards from the face down card and get the same numbers
It is a world-famous card game that is also called "memory" or "permanism".

Collect all the cards by relying on your memory!

(Overview of Concentration)
It is a clear game if you take all the cards placed face down within the time limit.

(flow)
First, the cards are lined up face down.

The time limit countdown will start, and the game will start from here.

Turn over two cards, and when the cards with the same number are turned over, take the pair.

If you take all the cards within the time limit, the game will be cleared.

(About the stage)
This game has 20 stages in total from 1 to 20.

A new stage will be released for each clear.

The stage to be released will gradually become more difficult.

Conquer all 20 stages and become a ConcentrationMaster.
Updated on
Oct 3, 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
This app may collect these data types
Location, App activity and 2 others
Data is encrypted in transit
Data can’t be deleted

What’s new

Supports 16KB memory page size
Fixed an issue where cards were not visible