Press ENTER during game play, then activate the following cheats by entering the corresponding codes:

CHEAT FUNCTION - CHEAT CODE
Launch Falling Star on the screen - yeepeekaye
Add $1,000 - fortknox
Reveal entire map - keyholemaster
Unlock entire tech tree, unlimited power, and unlimited overdraft - ineedalltechnos
Spawn flying duck - duckhunt
Spawn ambulance - bringoutthedead
Spawn anti-aircraft missile - blackhawkdown
Spawn CIA armored van - coolihaveanewcar
Spawn M80 tank - motherrussia
Spawn SWAT - swatatyourorders
Spawn U.K. cop - greenjelly
Spawn U.S. cop - ymca
Spawn U.S. president - coolimthepresident