Anja and five friends join anthroplogy student, Dace, on a journey to study a remote, ancient rock painting. Their excitement vanishes when Mel becomes delirious after skinny-dipping in the waterhole. Feverish, bleeding, confused, she physically and mentally regresses to a vicious predatory state. Mel has gone primal. Mel’s lover and friends realise they are the prey as she savagely hunts them down. Before they can escape another one of them starts to regress, posing a hideous choice; kill their friends or be killed by them. Their only hope of survival is through a cave, where Anja learns too late the meaning of the ancient rock art they came to study.

When the body of a man is found completely destroyed in the swamps in Louisiana, the medical investigator Sam Rivers is assigned to investigate the murder. He travels with the biologist Mary Callahan to the location where the victim lived in a floating house and he meets his family and friends. They find that Chinese snake-heads genetically engineered that belong to a wealthy hunter are attacking and killing the locals. While the group fights to survive, the hunter Jeff arrives with his team to hunt the predators.

Three children and two adults become trapped in the woods during a hurricane and it is up to a Bigfoot-like creature called 'Big Bay-Ty' to come to their rescue.

A trilogy of separate stories. In "Labyrinth labyrinthos", a girl and her cat enter a strange world. In "Running Man", a racer takes on the ultimate opponent. In "Construction Cancellation Order", a man must shut down worker robots.

A biologist signs up for a dangerous, secret expedition into a mysterious zone where the laws of nature don't apply.

A fortune hunter leads a search for diamonds guarded by undead sailors off the coast of Africa.

Some fishermen are attacked in the Louisiana swamps. When the word gets out of a mysterious Bigfoot-type creature, two researchers come to a small town to study and hopefully discover what the beast is. Their research from some farmers help the two men to learn that the creature may be a very angry and murderous missing link.

Picking up right where the original ended, Marybeth escapes the clutches of the swamp-dwelling killer Victor Crowley. After learning the truth about her family’s connection to the hatchet-wielding madman, Marybeth returns to the Louisiana swamps along with an army of hunters to recover the bodies of her family and exact the bloodiest revenge against the bayou butcher.

A horrifying hybrid of genetic science and nature has taken over the Louisiana bayou, leaving terror in its wake! In the heat of the summer, what began as an day of boating and bikinis changes drastically when a school of genetically enhanced snakehead fish finds their way into Black Briar Swamp.

Tabitha, once the placid, gentle and devoted pet, adopts all the characteristics of a ferocious, wild animal following the murder of her mistress. The three guilty people are all trapped by the cat's power and each will come to untimely deaths of horrific proportions without anyone being able to solve the mystery that surrounds their brutal death.

The disappearance of Jill (Lonna Cottrell), in the first film, prompts her sister, stepmother and best friend to go to the island in search of her. However, all that happened in the first film is not entirely as it seemed.

Six college students go into the wetlands to find their missing professor after he takes off in search of the mythical and deadly monster known as the 'Swamp Freak.'