Eight volunteers find themselves fighting for their lives when a drug trial goes horribly wrong.

Eight volunteers find themselves fighting for their lives when a drug trial goes horribly wrong.

A woman is forced into a deadly game in which she has to kill five people or all her friends and family will be butchered.

Set in a world upended by a complete breakdown of society, two couples hide out in a lakeside cabin hoping to survive this crisis.

Set in a world upended by a complete breakdown of society, two couples hide out in a lakeside cabin hoping to survive this crisis.

A caving expedition goes horribly wrong, as the explorers become trapped and ultimately pursued by a strange breed of predators.

A caving expedition goes horribly wrong, as the explorers become trapped and ultimately pursued by a strange breed of predators.

A caving expedition goes horribly wrong, as the explorers become trapped and ultimately pursued by a strange breed of predators.

After a tragic accident, six friends reunite for a caving expedition. Their adventure soon goes horribly wrong when a collapse traps them deep underground and they find themselves pursued by bloodthirsty creatures.

A group of juvenile delinquents are forced to fight for their lives after being sent the forest for an exercise in teamwork and tracked by a crossbow-wielding madman with a pack of flesh-eating dogs. The Young Offenders Institution is the kind of place kids are sent when all hope is lost.

A caving expedition goes horribly wrong, as the explorers become trapped and ultimately pursued by a strange breed of predators.