During game play press enter and the word message will
 appear.Type in the following:
 
 code - description:
 gf noclip - noclip mode
 gf birds fly - flying mode
 
 when finished typing cheat press enter and the words cheat 
 enabled will appear.If you type the cheat again the words 
 cheat disabled will appear.
 

 LucasArts cameos
 Go to Rubacava in years 2, 3, or 4 and enter the tattoo parlor. 
 Enter the back room with the refrigerator. 
 Examine the poster with tattoo designs next to the cabinet. 
 Max (from Sam And Max) and the Corley Motors logo (from Full Throttle)
 are featured as small designs on the poster.