There's no sex or nudity.

Several guards get shot with a laser pistol (bloodless).

A criminal throws a bag filled with bugs in a guards face, the bugs can be seen drilling themselves into the guards skin.

A man gets shot by a laser and burns to death.

2 Men get shot by a laser and dissolve.

An alien pulls a sharp piece of wood out of it's foot (bloody).

A few uses of fuck and shit.