Games Like 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.

Why similar: Psychological Horror 19.3%, Horror 13.6%, Gore 13.4%, Walking Simulator 12.8%, Dark 9.3%

Why You'll Like It: If Mouthwashing's stranded-crew dread and existential horror grabbed you, SOMA is the closest match in tone, themes, and oppressive sci-fi atmosphere.

1975. Disaster strikes the Beira D oil rig off the coast of Scotland. Navigate the collapsing rig to save your crew from an otherworldly horror on the edge of all logic and reality in this 3x BAFTA Games Award-winning narrative horror experience.

Why similar: Psychological Horror 18%, Gore 13.9%, Walking Simulator 12.2%, Horror 11.7%, Narrative 9.8% ★

Why You'll Like It: Another story-driven horror about isolated workers trapped with escalating body horror, panic, and no real hope of rescue.

A short horror game where you pilot a tiny submarine through an ocean of blood on an alien moon.

Why similar: Psychological Horror 27.4%, Horror 20.5%, Walking Simulator 11.3%, Atmospheric 9.9%, Dark 7.3%

Why You'll Like It: Its cramped vehicle, implied atrocities, and minimalist narrative create the same suffocating, doomed-in-isolation feeling Mouthwashing thrives on.

Are sardines trustworthy? Are you? Do you want to be? How Fish is Made is a janky little jaunt through the world of surrealist storytelling. Now featuring a Katamari-like DLC!

Why similar: Narrative 16.2% ★, Psychological 14.1%, Psychological Horror 14.1%, Surreal 13.5%, Walking Simulator 11.1%

Why You'll Like It: From the same creative lineage, it delivers the same grotesque, symbolic writing and short-form psychological body horror that makes Mouthwashing hit so hard.

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.

Why similar: Psychological Horror 49.4%, Dark 18%, Atmospheric 15.3%, Mystery 12.5%, Adventure 2.4%

Why You'll Like It: It pairs retro presentation, psychological unraveling, and bleak sci-fi tragedy in a way that feels very adjacent to Mouthwashing's emotional and aesthetic appeal.

A slow burn retro horror game, in which you arrive at the old lighthouse on a small island near the coast of the United States. After the previous keeper has gone missing, you need to take over his duties and watch after the light.

Why similar: Psychological Horror 16.7%, Horror 15.3%, Walking Simulator 10.2%, Surreal 9.5%, Retro 8.7%

Why You'll Like It: This nails the same lo-fi, uncanny, psychologically unstable horror style where atmosphere and narrative disorientation matter more than combat.

A reverse-detective adventure, where you control your character's face

Why similar: Psychological Horror 33%, Surreal 22.1%, Horror 20.5%, Story Rich 11%, First-Person 7.3%

Why You'll Like It: Its disturbing character work, psychological unease, and surreal narrative breakdown echo Mouthwashing's fascination with warped human behavior.

Smuggle contraband VHS tapes across the border. Discover the remnants of illicit industry. Prepare for an assassination. This is Paratopic, an atmospheric retro-3D horror adventure through a cursed fever dream.

Why similar: Surreal 20.5%, Horror 17.4%, Psychological Horror 15.9%, Retro 13.1%, Walking Simulator 8.7%

Why You'll Like It: Like Mouthwashing, it's a fragmented retro horror experience built on dread, grime, surrealism, and the feeling that something is spiritually rotten.

Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M.

Why similar: Space 17%, Horror 16%, Psychological Horror 14.9%, Indie 9.8%, Thriller 9.4%

Why You'll Like It: Its spacebound mystery and unsettling narrative perspective make it a strong fit if you want more story-rich horror in a failing sci-fi environment.

Stories Untold is a compilation tape of four experimental adventures, including a remaster of the original hit episode “The House Abandon”.

Why similar: Psychological Horror 28%, Horror 19.3%, Thriller 13.8%, Retro 11.2%, Atmospheric 10.5%

Why You'll Like It: This is another narrative-heavy horror game that weaponizes isolation, retro aesthetics, and a slow-burn sci-fi reveal.

A horror game about claustrophobia. During a storm your service dog is forced down a broken sewer drain. You find the nearest sewer entrance and run in after it. Along the way you will meet others that are also stricken by abnormal or psychological fear.

Why similar: Psychological Horror 25.6%, Psychological 17.1%, Horror 15%, Surreal 10.8%, Retro 9.9%

Why You'll Like It: It shares Mouthwashing's abrasive, low-poly horror sensibility and turns claustrophobic spaces into a deeply personal psychological nightmare.

What you are about to do has not been approved by the Vatican. As a young priest, struggle against demons, cultists, and your own weakening faith in this pixel horror game inspired by the era of classic 8-bit gaming and the "Satanic Panic" of the 1980s.

Why similar: Psychological Horror 27.1%, Horror 18%, Gore 13.1%, Retro 12.9%, Dark 9.6%

Why You'll Like It: Its lo-fi visuals, relentless dread, and willingness to go dark and grotesque make it a natural next step for retro horror fans.

Walking simulator. Explore, admire and listen. Uncanny. Relaxing. Unnerving. Eerie. Immersive. No monsters chasing you or jumping at your screen, but can feel oppressive at times by invoking fears of getting lost, the dark, tight spaces and liminal space architecture. Inspired by backrooms.

Why similar: Psychological Horror 30%, Walking Simulator 23.5%, Surreal 15.6%, Atmospheric 9.5%, First-Person 6.1%

Why You'll Like It: If you mainly want the dreamlike dread, liminal wandering, and oppressive atmospheric unease, POOLS is an excellent follow-up.

"I need a Heart in order to open it"

Why similar: Psychological Horror 28.1%, Horror 20.1%, Dark 9.7%, Surreal 9.1%, Retro 6.9%

Why You'll Like It: This meta-horror classic uses rough retro presentation and uncanny storytelling to produce the same kind of intimate psychological discomfort.

You are trapped in an endless underground passageway. Observe your surroundings carefully to reach "The Exit 8".

Why similar: Psychological Horror 22.3%, Walking Simulator 18.8%, Horror 13.9%, Psychological 13%, Surreal 11.2%

Why You'll Like It: Its looped, anxiety-inducing walking-sim structure captures the same obsessive dread and subtle wrongness that Mouthwashing uses so well.

The adventure plunges you into the tortured and hidden past of five humans. Delve into their darkest fears. Outwit the Master Computer AM in a game of psychological warfare. Disturbing, compelling. An adventure you won't easily forget !!

Why similar: Psychological Horror 26.4%, Horror 21.8%, Retro 16.4%, Surreal 10.4%, Dark 9.6%

Why You'll Like It: For players drawn to Mouthwashing's cruelty and psychological torment, this classic offers similarly merciless narrative horror.

Where do you run to when your demons reside within you? Decarnation is a pixel art adventure/action puzzle game with a horrific story inspired by some of the most influential films and novels in the genre. Dive into a breathtaking thriller where nightmares and dreams intertwine…

Why similar: Surreal 25.3%, Psychological Horror 21.7%, Horror 14%, Dark 11.6%, Story Rich 9.6%

Why You'll Like It: It blends surreal body horror, trauma, and stylish retro-inspired presentation into a deeply unsettling narrative-first experience.

In this original and adult psychological survival horror, the masked protagonist must escape from a city ravaged by disease, by any means necessary.

Why similar: Horror 37.3%, Psychological Horror 19.6%, Atmospheric 12.3%, Dark 9.6%, Retro 7.8%

Why You'll Like It: Its lonely psychological horror, unreliable reality, and bleak character focus line up well with Mouthwashing's darker emotional core.

Detention is an atmospheric horror game set in 1960s Taiwan under martial law. Incorporated religious elements based in Taiwanese/Chinese culture and mythology, the game provided players with unique graphics and gaming experience.

Why similar: Psychological Horror 23.1%, Horror 21.1%, Story Rich 8.3%, Thriller 8.1%, Atmospheric 7.8%

Why You'll Like It: This is a strong match for players who want oppressive atmosphere, symbolic horror, and story-driven psychological dread over action.

Share thoughts and hot food with your last ever clients, as you wait for the world to end.

Why similar: Psychological Horror 24.1%, Walking Simulator 18.7%, Horror 15.1%, Story Rich 9.3%, Thriller 7.9%

Why You'll Like It: Its contained setting, character-centered unease, and looming catastrophe make it a decent match if you liked Mouthwashing's interpersonal tension.

The Station is a first-person sci-fi mystery set on a space station sent to study a sentient alien civilization. Assuming the role of a recon specialist, players must unravel a mystery which will decide the fate of two civilizations.

Why similar: Walking Simulator 26.7%, Space 18.1%, Story Rich 17.3%, Atmospheric 12.1%, First-Person 7.2%

Why You'll Like It: It offers abandoned-space-station exploration and slow-burn environmental storytelling for players who liked Mouthwashing's trapped-in-space tension.

You're here to slay the princess. Don't believe her lies.

Why similar: Psychological Horror 42.1%, Horror 20.3%, Story Rich 14.5%, Dark Humor 12%, First-Person 7.1%

Why You'll Like It: It is less spatially claustrophobic, but its looping psychological horror and toxic, reality-warping character dynamics feel very spiritually adjacent.

Event[0] is a sci-fi narrative exploration game where you build a relationship with a lonely spaceship computer to get home to Earth.

Why similar: Psychological 22.4%, Walking Simulator 21.3%, Space 14.7%, Mystery 9.3%, Atmospheric 7.7%

Why You'll Like It: Though less overtly horrific, its lonely spaceship setting and uneasy interaction-driven storytelling scratch a similar isolated sci-fi narrative itch.

The Cat Lady follows Susan Ashworth, a lonely 40-year old on the verge of suicide. She has no family, no friends and no hope for a better future. One day she discovers that five strangers will come along and change everything...

Why similar: Psychological Horror 22.2%, Horror 17.6%, Psychological 14.5%, Story Rich 11.4%, Surreal 10.3%

Why You'll Like It: This is another bleak, story-rich psychological horror game centered on damaged people, disturbing imagery, and emotional ruin.

Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. You play as a young man desperately searching for answers in the cold Scandinavian night, finding his way through the city as he slowly descends into madness.

Why similar: Horror 37.1%, Psychological Horror 30.9%, Psychological 15.9%, Atmospheric 6.4%, First-Person 4.5%

Why You'll Like It: It combines raw psychological horror, grim storytelling, and a deeply personal sense of collapse that overlaps well with Mouthwashing's mood.

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.

Why similar: Psychological Horror 16.3%, Psychological 11.2%, Horror 11.1%, Narrative 10.6% ★, Gore 9%

Mundaun is a lovingly hand-penciled horror tale set in a dark, secluded valley of The Alps. Explore various areas full of secrets to discover, survive hostile encounters, drive vehicles, fill your inventory, and solve a variety of handcrafted puzzles.

Why similar: Psychological Horror 17%, Walking Simulator 16.7%, Thriller 10.5%, Surreal 10.2%, Horror 10.1%

Why You'll Like It: This is a slow, strange, intensely atmospheric horror game where tactile stylization and creeping unease do most of the damage.

Thanks to next generation AI technology, BUDDY SIMULATOR 1984 simulates the experience of hanging out with a best buddy! Your buddy learns from you, constantly adapting to your interests and personality. But most importantly, your buddy can play games with you!

Why similar: Psychological Horror 34.1%, Horror 19.4%, Retro 18.4%, Story Rich 13.5%, Indie 4.3%

Why You'll Like It: Beneath its retro facade is a surprisingly dark psychological horror story about companionship, control, and escalating instability.

ROUTINE is a First Person Sci-Fi Horror set on an abandoned lunar base designed around an 80s vision of the future. Explore and investigate your surroundings as you survive against unknown threats.

Why similar: Psychological Horror 19.8%, Walking Simulator 13.3%, Thriller 12.2%, Dark 10.3%, Horror 10.3%

Join Brian Pasternack on his first working day at Sintracorp. Uncertain, unprepared, and massively unqualified, will Pasternack have what it takes to shine in Sintracorp’s hierarchy? It all depends on how he performs on his first assignment… and whether he survives it.

Why similar: Psychological Horror 28.4%, Gore 19.9%, Horror 16.8%, Dark Humor 13.4%, Story Rich 11.9%

Why You'll Like It: It mixes surreal horror, grotesque imagery, and strong narrative momentum in a way that should appeal to Mouthwashing fans despite a different setting.

Longing for light, a sunless world begins devouring itself. Every step shifts the landscape beneath you as you search for what remains of her.

Why similar: Psychological Horror 16.8%, Walking Simulator 14.1%, Surreal 12.8%, Thriller 11.3%, Horror 9.6%

In a lonely station atop a mountain, a train rumbles its precious cargo to places unknown. Now is your shift. Keep the pace. Uncover a mystery. Fight for your last breath. The air is thin up here.

Why similar: Psychological Horror 16.8%, Walking Simulator 12.9%, Horror 10.6%, Surreal 9.7%, Thriller 9.3%

Five scary stories, but they all have the same ending. Can you play it? A psychological horror game from the first person, which few will pass.

Why similar: Psychological Horror 16.5%, Gore 12.6%, Walking Simulator 11.5%, Horror 10%, Thriller 8.6%

Scanner Sombre is a 3d horror cave exploration game where darkness is your greatest foe. Illuminate the unseen with your LIDAR scanner, revealing the eerie beauty and peril of the abyss. From the creators of Prison Architect, this immersive adventure uses light and shadow for a haunting experience.

Why similar: Walking Simulator 28.4%, Horror 21.4%, Psychological Horror 16.9%, Atmospheric 11.6%, Exploration 7.6%

Why You'll Like It: This is another atmospheric first-person descent into darkness where exploration and mood carry the horror more than direct threats.

Concluse is an atmospheric horror game which features puzzles, outstanding cutscenes, and something a little twisted..

Why similar: Psychological Horror 29.2%, Horror 26.8%, Atmospheric 11.5%, Mystery 10%, Retro 9%

Why You'll Like It: Its PS1-inspired look and oppressive exploration-heavy horror make it a good pick if Mouthwashing's retro aesthetic was a big draw.

Dire Echo is a psychological horror walking simulator that immerses players in the eerie and oppressive atmosphere of abandoned deep space.

Why similar: Walking Simulator 17.9%, Psychological 12.4%, Psychological Horror 11.6%, Space 8.7%, Thriller 8.3%

Stranded in the desert, your only hope of escaping rests in a strange Catman. His one request: hunt down surreal creatures, skin them, and chop them up so he can keep them as trophies.

Why similar: Psychological Horror 15.8%, Psychological 13%, Gore 11.1%, Horror 9.2%, Surreal 8.9%

You are wetware, working a mysterious job.

Why similar: Psychological Horror 19.7%, Walking Simulator 15.8%, Psychological 15%, Surreal 12.9%, Horror 11.5%

A short horror game where you control a decaying spacecraft exploring distant star systems.

Why similar: Horror 29.9%, Space 25.8%, Retro 24.5%, Exploration 7.6%, Dark 6.4%

An existential horror game in which you are tasked with keeping a sleeper colony ship intact. No enemies or NPCs share the ship with you - only creaking metal echoes and endless dark. Overcome random events, system failures, and the downward spiral of your sanity to see your mission through.

Why similar: Psychological Horror 40.4%, Dark Humor 20%, Story Rich 17.3%, Atmospheric 13.7%, Space 8.6%

First-person psychological horror where the elevator is the only safe place. Each floor is a new reality. Each floor has a new inhabitant. Find it to continue your descent downward.

Why similar: Psychological Horror 21.1%, Gore 15.9%, Horror 11.8%, Walking Simulator 11%, Thriller 7.6%

Isolation. Hopelessness. Starvation. By the will of an unknown force, you find yourself isolated from the outside world. Now you are doomed to starve to death. No one will come to your aid. No one will hear your prayers.

Why similar: Walking Simulator 30.7%, Psychological Horror 21%, Gore 14.6%, Horror 12.3%, Exploration 7%

First Person Psychological Horror. Addicted to virtual ecstasy, trapped in digital hell. Navigate glitchy dreamscapes and a city that never sleeps. Every mission brings you closer to your next dose, but will you follow your protective AI, or the man behind a liberating new drug?

Why similar: Psychological Horror 12.8%, Psychological 10.3%, Gore 8.2%, Walking Simulator 8.1%, Narrative 7.7% ★

God's Basement is a first-person, narrative-driven, single player horror game. Uncover the secrets of an afterlife shrouded in mystery, as an entity known as "The Operator" leads you deeper into the fringes of a seemingly eternal purgatory.

Why similar: Psychological Horror 16.9%, Walking Simulator 12.9%, Psychological 12.4%, Horror 10.9%, Dark 8.5%

"Psalm 5:9-13" is a first-person psychological horror game with VHS effect. Be careful and attentive, there is something hiding in these rooms, something is watching from the darkness.

Why similar: Psychological Horror 16.3%, Walking Simulator 11.5%, Gore 11.2%, Thriller 10.1%, Horror 9.9%

Step into a liminal, cosmic horror experience set in an abandoned amusement park. Uncover the haunting narrative behind its twisted rides and empty tunnels to discover what lurks within a reality that shouldn't exist…

Why similar: Psychological Horror 20.2%, Walking Simulator 14.9%, Horror 13%, Dark 10%, Psychological 8.8%

Luto is a psychological horror experience where you take on the role of someone unable to leave their home. Every attempt to escape will lead you deeper into the unknown, where nothing is as it seems and everything will test your senses.

Why similar: Psychological Horror 20%, Walking Simulator 15.3%, Psychological 14.6%, Thriller 10.5%, Dark 9.4%

Eggs: perfection in two parts. The simple whites. The sublime yolk. Each the lesser without its partner. Chorus and verse. A symphony of flavor. The catchy tune reminding us of warm baths and late-night movies. The elevator music to whatever lies beyond.

Why similar: Surreal 33.4%, Horror 18%, Atmospheric 15.4%, Story Rich 13%, First-Person 11.7%

Explore a cold, abandoned, and dreary facility to piece together its mysteries and find a means for escape from the horror that lurks within.

Why similar: Walking Simulator 23.5%, Psychological Horror 19.4%, Horror 18.5%, Atmospheric 12.4%, Space 9.5%

Singleplayer psychological horror game about bird watching. Explore the mountains, find and observe all the birds. Seek their help. Be honest. Be ruthless. They are watching.

Why similar: Psychological Horror 21.1%, Walking Simulator 15.5%, Horror 12.6%, Dark Humor 10.7%, Dark 10.3%

"The Last Visit: 98th" is a psychological indie horror from the first person, in the genre of a walking simulator, in the setting of the post-Soviet winter space. The main focus is on the atmosphere of horror, which is emphasized by realistic 3D graphics.

Why similar: Psychological Horror 18.9%, Walking Simulator 14%, Horror 13.1%, Gore 10.4%, Thriller 8.8%

You are trapped on a train that runs forever. Keep an eye out for anomalies and find a way out.

Why similar: Psychological Horror 29.4%, Walking Simulator 22.3%, Horror 10.8%, Dark 8.9%, Surreal 7%

Quarantined inside an airlock. No memories. No way out. The remaining crew thinks there’s something wrong with you, but the Voice says it’ll help you escape. Navigate volatile conversations & unravel mysteries in this narrative adventure about trust, self-destruction, & shifting identities.

Why similar: Narrative 29% ★, Psychological 22.3%, Mystery 9.7%, Space 9.3%, Atmospheric 8.7%

Look Outside is a survival horror RPG set in a single apartment building. A mysterious event turns anyone who looks out the window into grotesque monsters, leaving the world in absolute chaos. Scavenge the building to seek food, supplies, and weapons while encountering strange characters.

Why similar: Horror 34.6%, Gore 21.8%, Dark 12.7%, Atmospheric 10.5%, Mystery 6.3%

You woke up in some basement and don't remember who you are or how you ended up here... But what you do know is that you need to get out of here...

Why similar: Psychological Horror 19.9%, Walking Simulator 15.6%, Horror 12.5%, Psychological 9.9%, Thriller 9%

CoRoT is a first-person psychological meta-horror game. Search for cassettes in a transforming house, unraveling its macabre past. A sinister atmosphere surrounds you as you try to understand what's happening and where you really are. Can you discover the truth hidden in its walls?

Why similar: Psychological Horror 19.2%, Surreal 13.5%, Walking Simulator 11.8%, Horror 10.2%, Thriller 9.8%

Omitted is a first-person psychological horror game. Experience being left alone in an old hospital, discover its secrets and try to survive.

Why similar: Psychological Horror 18.2%, Psychological 16.6%, Thriller 12.1%, Horror 10.8%, Gore 10%

Seybul Tech is a walking simulator. Navigate as an office employee, confronting peculiar encounters while in search of an exit from this enigmatic abyss.

Why similar: Psychological Horror 21.1%, Walking Simulator 16.3%, Surreal 13.3%, Psychological 12.5%, Dark 10%

Once upon a time, there was a fly. A hungry fly. A fly with razor-sharp teeth, with a taste for dead things. This is the tale of its adventure to find something dead to devour, in a swamp where nothing dies, everything is grotesque, and every choice matters, no matter how surreal.

Why similar: Psychological Horror 17.8%, Surreal 13.7%, Horror 11.4%, Gore 10.8%, Retro 8.8%

Pilot the MOLE, a monstrous post-war drilling machine built to descend deep below the Slavic soil. Fix failing systems, follow voices of the dead, and pray you can survive whatever is sharing your coffin. Will the vessel or your mind break first?

Why similar: Psychological Horror 26.6%, Horror 17.1%, Retro 13.5%, Surreal 11.8%, Dark 9.3%