迷宫小游戏，分简单、中等、困难三个等级，不同等级的区别在于迷宫大小不同，每一关随机生成迷宫，另有计步数功能。-Maze of easy, medium, difficult three levels, the difference between different levels is the different size of each level. System randomly generate maze everytime, while taking into account the n