Start game as usual.
Airport Tycoon 2: Cheat Codes (English) Free Download
During gameplay press tilde to go to console, then enter the following cheats followed by ENTER:
INeedCash – Get 100.000.000 extra money
MassDrop – Get Huge Airport
DoEarthquake – Invoke Eartquake
DoTornado – Invoke Tornado
SetBudget xxx – Get xxx extra money
SetCash xxx – get xxx extra money
HideGame – Hide Game
ShowGame – Unhide Game
NOTE: Entering invalid cheat codes will make the console stay open, whereas entering a valid cheat code will close the console.