Go to a dos prompt and type:

HostileWaters.exe -setusupthebomb

In the game, press F8 to bring the console where you can use one of the following cheats. The cheats are case senstive. You may press F8 again to hide the console.

Cheat Code - Granted Wish

enableallmovies 1 - Enable All Movies in Cinema Menu
filthylucre 1 - Gives 999999EJ
invulnerable 1 - God Mode for All Units
revealmap 1 - Reveals Map
Winlevel 1 - Successfully Complete Mission