David Howard Thornton, who plays the silent Art The Clown, performed voiceover for the "Art Crispies" cereal commercial during the dream sequence.
The movie was a completely independently made production. Money was raised through several sources without the aid of a studio, and writer/director Damien Leone created all the special effects himself in order to cut costs. He was able to be uncompromising in his depiction of violence and gore because there was no studio making demands or insisting on cuts.
While originally planned for a limited theatrical release for a single weekend, the movie reached top 10 at the box office on multiple weekends, and its theatrical run lasted well past Halloween. The film domestically grossed over $10 million on a $250,000 budget, a 3,900% return on investment, making it the most profitable film of 2022.
Scenes shot in the "Terrifier" haunted house were filmed in a real haunted house called Fright Factory in Philadelphia, Pennsylvania. The filmmakers used what was already available to them.
As Lauren LaVera is trained in martial arts, she did most of her own stunts in the movie.