关于本游戏
Primes is a game where there are two types of balls coming which have 7 or 9 printed on them. They are to be collected in bowls filled with prime-numbered balls or non-prime numbered balls respectively which swap each other by mouse-click hold and release. Have fun :)
难度: ●●○○○ 约 5 分钟
玩法说明
Hold release the mouse to swap bowls between blue and red balls
