Horror films set at parties offer a unique blend of suspense, terror, and social commentary. These films often explore the darker side of human nature when the veneer of civilization is stripped away by fear or supernatural forces. This curated list of 10 horror movies about parties not only promises spine-tingling thrills but also provides a fascinating look at how gatherings can turn from festive to fatal. Whether you're a horror aficionado or just looking for a thrilling watch, these films will keep you on the edge of your seat.

The Dead Zone (1983)
Description: While not strictly a party film, it includes a pivotal scene at a political rally that turns deadly, showcasing the horror of political gatherings.
Fact: The film was based on Stephen King's novel, and Christopher Walken's performance earned him a Saturn Award nomination.


The House on Sorority Row (1983)
Description: A sorority prank goes horribly wrong, unleashing a vengeful killer during their graduation party.
Fact: The film was one of the first to feature a killer targeting sorority sisters, setting a trend for slasher films.


The Faculty (1998)
Description: High school students uncover that their teachers are not what they seem, leading to a battle for survival during a school event.
Fact: The film features a young cast that would later become famous, including Josh Hartnett and Elijah Wood.


The Descent (2005)
Description: A group of friends go on a caving trip to celebrate a friend's recovery, but their adventure quickly turns into a fight for survival against subterranean creatures.
Fact: The film features a predominantly female cast, which was unusual for horror films at the time.


The Strangers (2008)
Description: A couple's romantic getaway turns into a night of terror when three masked strangers invade their home, turning their private party into a nightmare.
Fact: The film was inspired by real-life events, including the Manson Family murders.


Trick 'r Treat (2007)
Description: An anthology film where several Halloween parties and events intertwine, revealing the dark side of the holiday.
Fact: The film was released directly to video in the UK but has since gained a cult following.


The Cabin in the Woods (2012)
Description: A group of friends go to a remote cabin for a weekend getaway, only to find themselves part of a sinister experiment involving ancient gods and a party gone wrong.
Fact: The film was co-written by Joss Whedon, known for his work on "Buffy the Vampire Slayer."


The Purge (2013)
Description: A family is forced to defend their home during a government-sanctioned night where all crime, including murder, is legal, turning their neighborhood into a deadly party.
Fact: The film was a surprise hit, spawning several sequels and a TV series.


The Invitation (2015)
Description: A dinner party turns sinister when a man suspects his ex-wife and her new husband have ulterior motives for inviting their old friends over.
Fact: The film was shot in 20 days, and the director, Karyn Kusama, used a single location to create an intense, claustrophobic atmosphere.


The Babysitter (2017)
Description: A young boy discovers his babysitter and her friends are part of a satanic cult, turning his night into a deadly game of survival.
Fact: The film blends horror with dark comedy, offering a fresh take on the babysitter trope.
