Simple 3D Maze

This app is a maze game.
You aim to go goal within the time limit.
You must fend off the traps and get several balls on the way to the goal.

The following is a description of this app.

[Contents]
Time limit is 500 seconds.
You need to fend off the traps and get several balls on the way to the goal.
You need to get the three balls(a red ball,a green ball,a blue ball).
And go goal after getting a key.
On the screen,high score and level are displayed.
A kind of level is below.
1. Diamond
2.Platinum
3. Gold
4. Silver
5. Bronze
6.Excellent
7.Good
8. Beginner