Enter the following codes on the main menu
Race as an alien : right, left, right, up, down,
left, right, up, up.
Unlock mars track ; left, left, right, right,
left, left, right, right, down, left, right.
Wide-angle mode : left, left, left, right,
right, right, up, up, up, down, down, down, left, left, left, right, right,
right