Karyn Kusama of Yellowjackets to direct.

Image credit: Eurogamer/Critical Reflex

Sony has snatched up the movie rights for Mouthwashing, the hit independent horror video game released in 2024.

Deadline reports Sony has obtained the rights from developer Wrong Organ and publisher Critical Reflex, and also brought on Karyn Kusama to direct the adaptation, a director perhaps best known for her work on the acclaimed Yellowjackets television show.

Here's the console launch trailer for Mouthwashing. Watch on YouTube

Sony has also enlisted Matt Manfredi and Phil Hay to write for the project, as well as production company Crooked Highway (who you may know for the Ethan Hawke–lead series of movies, The Black Phone). There is no word on which actors will star in the adaptation as of yet, nor whether the story will follow that of the game's own narrative.

Mouthwashing was a critically acclaimed release , and sold more than 500,000 copies as of February 2025 .…