demo1
Basic Mission
demo1
  Take off from your airstrip, remove
the AAA threat, then make a bombing run
against the headquarters orb.
  Take out some fuel storage tanks, and
return home will some damage.

demo5
Junky Corridor
demo1
Aliens have left their toys laying around
in the hall again.  Make a try for them,
but end up in a forced landing.

demo6
Vertical Mission
demo1
Fly down a vertical shaft in a desperate
and unsuccessful attempt to get through
all three layers and ram the orb with
your plane.