Rock'n'Roll, Play This nice Game

Music test:
If you want to hear the melody of type 'country' and a menu.
Another tip you can get to level 33 (1 level after the last)
Here's how
Finding the special hole in level 1. It is surrounded by 3 arrows pointing to the left.
Fall into the hole and press the left mouse button.
Now is distorted level 33.
Level Codes:
Enter 'Rainbow Arts' in his name. The screen will turn gray.
Not deform at any level, type the following:
Number of level, XX, followed by four digits when added equal
the level number, XX, then the level number reversed.
Examples: To play at 12, Enter -> 12 XX 3333 XX 21
12 = number of levels, XX, 3 +3 +3 +3 = 12, etc.