During game play, press Alt N. Then press F. Now enter one of following codes:

  PETY PETY
              refuel after burner
  NAPALM
              gives you 10 nukes
  NO TALENT
              god mode
  REP ME UP
              repairs everything
  CHILL OUT
              cool down weapons
 

Note: These codes will reset when you land.

Geoff St. Germain