- Prime Number Maze -
Step only on prime numbers
to reach the goal
From a 5x5 introduction to a 20x20 hardcore grid. Board size and number range increase step by step.
One shared maze for all players every day. Free to play daily.
Twin Primes, Mersenne Primes, and Giant Primes. Each theme offers a distinct kind of judgment.
Earn an S-to-D rank from your time, steps, and mistakes. Compete with players nationwide on the per-size, total, run-score, and daily online leaderboards.