Airport Tycoon 2

Start the game. While playing the game, hit ~ (tilde) to enter to
the console window, then type the following cheat codes, then
press ENTER:

Cheats - Results:
Enter "ShowGame" as a code - Unhide Game
Enter "SetCash xxx" as a code - Additional xxx extra money
Enter "SetBudget xxx" as a code - Additional xxx extra money
Enter "MassDrop" as a code - Get Huge Airport
Enter "INeedCash" as a code - Additional 100.000.000 extra money
Enter "HideGame" as a code - Hide Game
Enter "DoTornado" as a code - Cause Tornado
Enter "DoEarthquake" as a code - Cause Eartquake

Note: Entering invalid codes will make the console stay open,
whereas entering a valid code will close the console.