From a distance, you see a young woman on a bed and she says "are you sure he's asleep?" It's implied that the woman and a man are having sex, their naked legs are shown. They stop when someone walks past the door.

A guy and girl are making out in a car for a few seconds.

Cleavages towards the end of the movie.

A monster is electrocuted numerous times, roaring and shaking in response.

Monster eats people off a boat. Blood seen on its mouth

The main character has leaches on him after coming out of a river and there is a little bit of blood shown after he pulls them off.

While battling a large monster that burrows through the ground, its head explodes, showering green guts and ambiguous body parts in slow motion.

A sword is used to slice through tentacle-like monsters, with goo spurting from the cuts.

Mild use of cuss words, including, d*mn, b*tch and sh*t. Special emphasis put on "holy sh*t!" as a comedy element - though not in a scatalogical context.

No F words, but in one scene where a man is pulling leaches off of his body, he says "Oh f-" without finishing the word.

1 or 2 uses of the word "b*stard"

Although there are only really mild vulgarities, some are said by a little kid.

Towards the end the old lady say G-- damn.

Party is held at night. Most people drinking and are heavily drunk.

People are drugged. In an unrated instance a man has hallucinations.

A handful of scenes involve creepy insectoid monsters of unusually large scale. These scenes often involve mortal peril, tense build ups and talons, fangs, tentacles and other threatening appearances. This could be scary for young people and children, especially as the monsters resemble household insects.

A young man battles a massive millipede/centipede like monster that comes up out of the ground and threatens to eat his dog.

A giant frog-like monster attaches a tentacle to a boy's leg and tries to drag him into its mouth

An underground bunker is breached by giant insects that kills a person. The scene is intense with peril when the shadow of the insect appears from behind a shower curtain.

The theme of this movie surrounds living in a post-apocalyptic world.