All modes that can be played in normal mode are free to play!!

PrimeNumberist is a simple game that keeps guessing whether the numbers falling from the top are prime numbers or prime numbers.
Tap the left side of the screen if it is a prime number, or the right side of the screen if it is not a prime number.
Answer correctly before reaching the lower line, continue combo and aim for a high score.

・ To use prime numbers in prime factorization
・ To count prime numbers when cornered
・ In your spare time

Would you like to aim for the top of the high score ranking?