Press [Esc] when the game begins. Select the "File" and "Preference" menu
items to enable invincibility and unlimited weapons.
Enter MACTOPACE as a name to unlock all historical missions.
Skip training missions:
Quit a training mission, then click on the arrows next to the "Level 1/1"
box. Note: This only works until level 5.
Enable [Caps Lock], type win, then disable [Caps Lock] while flying to enable
an unlimited ammo selection on the option screen.
Set the Macintosh system date to December 25 and begin game play. Santa Claus
will appear in the crowd in the main room of the Independence.