i have no clue a to what the people be think that call this the best alien rip off . first off and it be similar to alien in atmosphere but it be really closer to forbid planet in plot although nowhere near as good . i remember see in the theater a a 13 old around 1981 82 whenever it come out . the only memory i have of the movie be the poster for it in a the theater and the fact be have jonie ( erin moran ) from happy day in it . i saw the movie last week for the first time in theater and i see why i have no memory of it . there be nothing worth remember . i expect a roger corman movie to be cheesy and suspension of disbelief be a requirement . however this movie set where so cheap and the plot line be so bad that you honestly will have trouble remember what happen in the movie the next day after see it . i have see many comment about the rape scene and i personally do not find maggot rape to be a form on entertainment but that scene that be show in the r rat cut be cheesy and not go to disturb anyone . the movie have more violence than i remember and try to be mean spirit but really amount to not much of anything . the movie just end in a hurry with not much of an explanation . i would suggest search for another creature feature if you be in the mood for b movie entertainment . the cast for this b flick look pretty good on paper but it be execute horribly . this movie be obviously make in a hurry with no money for reshoot scene . avoid at all cost .