While playing, press Pause/Break, then type "slallcheats" to enable cheat mode.
After that enter the following cheatcodes:
Code - Effect
sllottery - $50,000 and One License
slroads - All Roads Unlocked
slrecover - Press Ctrl + 5 for a Free Recovery
slfillup - Unlimited Fuel
mineoff - No Mines
slturbine - Press Ctrl + 1, 2, 3, or 4 for More Thrust
slmap - All Hidden Containers on Map Visible
slrepair - Press Backspace for Free Repair