Godfather, The PC Game Cheats

Invisibility:
Type holiday inn during game play.

Full Ammo:
Push ESC. At the Pause Menu input "stracci"

$5000:
Push ESC. At the Pause Menu input "cuneo"

Movies:
Push ESC. At the Pause Menu input "tattaglia"

Full Health:
Push ESC. At the Pause Menu input "corleone"