SOINSU math puzzle

SOINSU Math Puzzle is a brain-training game centered on prime factorization. It's a casual, accessible math challenge for players of all ages, featuring simple rules, fast rounds, and immersive cyber visuals with trance music.

Gameplay divides numbers by prime factors until a prime remains. Levels grow in difficulty, and modes include Normal (5-second limit), Easy (10-second limit), Hard (5-second limit, starts at level 21), and Unlimited Time (paid). A 168-prime collection can be unlocked by watching a video, and a no-time-limit mode is available.