Single-player games like Mouthwashing
Below are 16 single-player Steam games similar to Mouthwashing, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Mouthwashing page.
Ranked picks
- 1
No, I'm not a Human
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie with Mouthwashing.
WARNING. Stay inside. Lock your doors. Close the blinds. Only let humans in. Eliminate all Visitors. An anxiety horror about paranoia in the End of Times.
- 2
The Dinner
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
A war veteran, haunted by the scars of combat, struggles with tormenting hallucinations that revive the guilt of his darkest memories while trying to prepare everything for family dinner.
- 3
I Think I Killed Someone
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Adventure with Mouthwashing.
A non-linear psychological horror puzzle mystery where you suffer from dementia and wake up next to a dead body in your apartment. Piece together the seven days of your life in chronological order to uncover what really happened over the past week.
- 4
Aftershock
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
When your own mind becomes the enemy, can you protect the one who matters most?
- 5
Fourth Time Around
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
Henry is an elderly man with regrets. Over the course of his life, he has killed three times. He is about to kill again. Survive a home invasion as you recount his life through a series of dreamy vignettes featuring a thief, a friend, a lover, and mysterious bartender.
- 6
No One Here But Me
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
Work as a night administrator at a computer club, check visitors, detect anomalies, and survive nightmare-filled nights full of monsters and mysteries.
- 7
FATHER
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie with Mouthwashing.
The family lives in isolation, following the strict rules of the father. But the attempt to escape evil turns into a horror that grows from within.
- 8
BRAINSHELL
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
Have you ever wondered what it would be like to become an Intercontinental Ballistic Missile? A psychological horror experience focusing on immersion, storytelling and audiovisual torment.
- 9
SILENT HILL 2
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Adventure with Mouthwashing.
Investigating a letter from his late wife, James returns to where they made so many memories - Silent Hill. What he finds is a ghost town, prowled by disturbing monsters and cloaked in deep fog. Confront the monsters, solve puzzles, and search for traces of your wife in this remake of SILENT HILL 2.
- 10
Inscryption
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...
- 11
SIGNALIS
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
A classic survival horror experience set in a dystopian future where humanity has uncovered a dark secret. Unravel a cosmic mystery, escape terrifying creatures, and scavenge an off-world government facility as Elster, a technician Replika searching for her lost dreams.
- 12
Layers of Fear (2016)
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
A first-person psychological horror with a strong emphasis on atmosphere and storytelling. Explore an ever-shifting Victorian mansion as a painter seeking to complete his masterpiece, even at the cost of his own sanity.
- 13
SOMA
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
- 14
LISA: The Painful
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
The miserable journey of a broken man...
- 15
Metro Gravity
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
Explore, fight, solve puzzles and bend gravity to escape the dream-like world of the Halls! Metro Gravity is a mind-boggling musical adventure with rhythmic combat and compelling lore.
- 16
Cooking Companions
Single-player alternative to Mouthwashing — playable solo, no multiplayer required. Shares Indie and Adventure with Mouthwashing.
Unravel the mystery in this cute psychological horror VN, set deep in the woods of the Tatras Mountains. Will you wind up on the chopping block?