Engage in a simple yet stimulating calculation puzzle game designed to assess and improve your brain's condition. Solve four-choice math problems by tapping the correct answer to activate your mind. Perfect for a quick mental workout.



10+ similar games compared and reviewed
Whether you want more options like 脳トレワールド or a completely different take on the same concept, our curated list of 10+ similar apps and games has you covered. Updated for 2026 with the latest ratings and comparisons.



Engage in a simple yet stimulating calculation puzzle game designed to assess and improve your brain's condition. Solve four-choice math problems by tapping the correct answer to activate your mind. Perfect for a quick mental workout.




Explore a unique mathematical concept where any number can be represented using only the digits 1, 1, 4, 5, 1, and 4. This app allows you to apply the proven "Beast Theorem" to express real numbers, including decimals and negative values.


