Play as a Martian:
 Press [Right] [Left] [Right] [Up] [Down] [Left] [Right] 
 [Up] [Up] at the main menu (front end).
 
 Mars track(s):
 Pause game play then press [Left] [Left] [Right] [Right] 
 [Left] [Left] [Right] [Right] [Down] [Left] [Right]. 
 
 Wide-angle mode:
 Pause game play then press [Left] [Left] [Left] [Right] 
 [Right] [Right] [Up] [Up] [Up] [Down] [Down] [Down]