The game is based on the fact that any composite number can be decomposed into prime numbers. To pass a level you need to reduce all composite numbers by gathering numbers with common divisor in a row, so only primes should remain. Your task is complicated by variety of geometry of levels and plenty of additional elements which modify the field of play. A lot of bonuses will help you pass this exciting game.
200 unique levels;
Suitable for short breaks (casual game);
and much more...