Maze rolling ball

It 'a game of skill, tilting your phone or tablet, you must try to roll the balls in the maze, avoiding black holes.
The aim of the game is trying to get the balls in the hole green.
In some levels, along the path of the labyrinth find holes yellow, if the ball falls into the hole yellow is repositioned to the starting point.

The level is passed only when all the balls on the playing field are placed in the hole green.