Sony Adapting Viral Indie Horror Game Mouthwashing into Film with Karyn Kusama Directing

Sony is developing a film adaptation of the viral indie horror game Mouthwashing, with acclaimed director Karyn Kusama attached to helm the project. The script will be penned by Phil Hay and Matt Manfredi, the writing duo behind The Invitation, known for their work in psychological horror. Mouthwashing gained a dedicated following for its unsettling atmosphere and unique narrative, making it a prime candidate for a cinematic adaptation that taps into the current appetite for elevated horror. Kusama, whose credits include Jennifer's Body and Destroyer, brings a distinct vision that aligns with the game's tone. This move reflects a broader industry trend of mining indie games for fresh horror IP, as studios seek built-in audiences and innovative stories. With talent like Kusama and Hay/Manfredi involved, the adaptation could elevate the source material into a standout genre film. Fans of the game and horror enthusiasts alike will be watching closely for casting and release details.