That's about it. Oddly enough, the evil spacemen, known as Psychlos, seem to believe in hell as a place of punishment after death. One comment implies that earth is a worse place than hell. A few other minor sexual innuendoes also arise. The vast majority of screen time is devoted to a series of violent crescendos.
Humans fight humans.
Aliens fight aliens. Humans fight aliens. Fists, clubs, laser guns, bombs and even nuclear missiles all stand in line waiting for their turns. Not much considering the genre. Two basic points must be made about the movie Battlefield Earth .