Within the game, type:
 
 F12-F1 = Restore Health
 F12-F2 = Get all Weapons
 F12-F3 = Get Shield
 F12-F4 = Win the Game
 F12-F5 = Get Fuel
 
 Another way to get weapons, health, shield, and fuel is to hop on
 the back of a Pteranodon and ride him up high in the sky. 
 At a certain altitude you will be given all the free stuff.