Various Cheats
     When in flight, type dynomite, then press any of the following:

Ctrl + I   = Invincible
Ctrl + C   = Colision Off
Ctrl + K   = Self Destruct
Ctrl + F12 = Destroy Selected Target

     Also,   type   'good  target'  for  enhance  HUD  view.  Or  type
'moretunes'  for  to select music. Use Page Up or Page Down to select.
Finally,  when  in Flight Sim, type 'alswantsmoreships' and press Z to
fly alien ships too.