group collects ghosts to unlock a gate to hell

After losing their academic posts at a prestigious university, a team of parapsychologists goes into business as proton-pack-toting "ghostbusters" who exterminate ghouls, hobgoblins and supernatural pests of all stripes. An ad campaign pays off when a knockout cellist hires the squad to purge her swanky digs of demons that appear to be living in her refrigerator.

Following a ghost invasion of Manhattan, paranormal enthusiasts Erin Gilbert and Abby Yates, nuclear engineer Jillian Holtzmann, and subway worker Patty Tolan band together to stop the otherworldly threat.

A detective solves the puzzle box that releases the diabolical demon, Pinhead. As those around him begin to meet tragic fates, he sets out to conquer the horrifying villain.

Hedonist Frank Cotton finds a mysterious puzzle box that summons the Cenobites, who open the doors to a dominion where pain and pleasure are indivisible.

In an attempt to reunite with her dead girlfriend, Maya evokes dark forces through occult rituals, with devastating results. She has opened a portal to hell and must now fight to survive against a small band of angry and deadly spirits, who twist and turn her reality into a living nightmare.

Hell wants souls.

A group of friends venture into a school for girls which has the reputation of having a haunted sub-level basement. The souls of the girls remain trapped in the basement, tormented by an evil supernatural being.