Cheat Codes:

Enter RADARMY as your player name. 

Then back the main menu hit CTRL+RIGHT SHIFT+8 to bring up a cheat menu.

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KIWI for Invincibility, full weapons, fast reload and level selection and plane selection.

 

*Note: This code also enables Fast Reload, Level And Plane Selection.

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Enter LIVE FREE as your name for invincibility