Games Like Cassiculus

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: FPS 38.4%, Horror 29.4%, First-Person 16.3%, Atmospheric 14.9%, Singleplayer 1.1%

Why You'll Like It: This game perfectly captures the claustrophobic, underground psychological horror experience found in Cassiculus.

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

Why similar: Walking Simulator 36.5%, Horror 32.9%, Atmospheric 15.4%, First-Person 15.2%

Why You'll Like It: It delivers a short, intensely claustrophobic experience where the environment itself is the primary source of terror.

In Our Parlor is a short, horror walking simulator. The player must make their way through a mysterious manor to unfold the story, find the parlor, and escape this nightmare. Navigate a series of dark set pieces and follow the music to discover the path forward.

Why similar: Walking Simulator 38.7%, Immersive Sim 30.6%, First-Person 12.8%, Horror 8%, Simulation 7.8%

Why You'll Like It: It provides a linear, immersive-sim approach to horror that mirrors the pacing and focus of the seed game.

Silent Still is a first-person psychological horror game that delves into the terrifying experience of sleep paralysis and nightmares. You will feel the true horror that sleep paralysis can bring and the overwhelming fear it instills in a person.

Why similar: Walking Simulator 41.2%, Horror 16.4%, Realistic 13%, First-Person 11.5%, Simulation 11%

Why You'll Like It: A story-rich, first-person horror experience that emphasizes atmospheric exploration and psychological tension.

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 55.8%, FPS 21.8%, First-Person 11.8%, Atmospheric 9.3%, Singleplayer 1.4%

Why You'll Like It: A free-to-play, first-person psychological horror classic that excels at building atmosphere through isolation and disturbing visuals.

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

Why similar: Walking Simulator 27%, Underground 23.7% ★, Immersive Sim 19.5%, Horror 9.8%, First-Person 7.4%

Why You'll Like It: This title focuses on the repetitive, liminal-space walking experience that creates a unique sense of paranoia.

A psychological first-person horror game where you enter a memory-erasing protocol and relive a trauma. Uncover dark secrets, and experience fear through immersive atmosphere.

Why similar: Walking Simulator 35.2%, FPS 19.9%, Horror 14.7%, Realistic 12.1%, First-Person 7.9%

Why You'll Like It: This title focuses on psychological horror within a confined, atmospheric setting, making it a strong thematic match.

Penumbra: Overture is a first person survival horror game, emphasizing on survival and problem solving instead of mindless violence and gore.

Why similar: Horror 58.6%, First-Person 24.5%, Atmospheric 14.6%, Singleplayer 2.3%

Why You'll Like It: This title focuses on physics-based interaction within a confined, underground setting, mirroring the immersive-sim elements of the seed game.

Sub Terra is a first person psychological horror game set deep underground. As a maintenance worker, your job is to fix a broken water line at the end of tunnel 04-R. Enter the tunnel, repair the pipe, and get out.

Why similar: Horror 22.7%, Cinematic 20.7%, Realistic 19.2%, Walking Simulator 13.5%, First-Person 13.2%

Why You'll Like It: A realistic, first-person horror experience that leans into the claustrophobia of underground exploration.

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

Why similar: Horror 33.9%, Underground 26% ★, Atmospheric 14%, Simulation 12.7%, First-Person 10.7%

Why You'll Like It: This game utilizes a surreal, low-fidelity aesthetic to create a deeply unsettling and atmospheric first-person horror experience.

This is a nerve-wracking horror game that puts you in a dark, claustrophobic cave with a relentless creature. Survive by flashing your dying flashlight at the right moments, too soon or too late, and it’s over. You must keep an eye on the creature, but beware: staring too long is just as deadly.

Why similar: Underground 54.8% ★, Horror 28.4%, First-Person 13.9%, Singleplayer 2.9%

Why You'll Like It: This game emphasizes the survival-horror aspects of navigating dark, underground environments in first-person.

Survival, horror at the sunless depths of the Pacific Ocean: Stranded on the seafloor with low light and few tools, an industrial diver takes desperate steps to surface before his oxygen — and sanity — give out.

Why similar: Horror 36%, Walking Simulator 27.4%, First-Person 22.4%, Atmospheric 14.1%

Why You'll Like It: It places the player in a high-pressure, claustrophobic environment where survival depends on managing limited resources while facing psychological terrors.

Visage is a first-person psychological horror game. Explore a mysterious ever-changing house in a slow-paced, atmospheric world that combines both uncannily comforting and horrifyingly realistic environments, and enjoy a genuinely terrifying experience.

Why similar: Horror 43.5%, Walking Simulator 23.4%, First-Person 12.2%, Realistic 9%, Atmospheric 7.1%

Why You'll Like It: It offers a deeply immersive, first-person psychological horror experience that excels at environmental storytelling.

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: Walking Simulator 38.3%, Horror 36.8%, Atmospheric 15.8%, First-Person 8.3%, Singleplayer 0.8%

Why You'll Like It: A surreal and fragmented narrative experience that prioritizes atmosphere and dread over traditional gameplay loops.

A tense, atmospheric descent into psychological horror—trapped in a place where reality fades and fear takes hold.

Why similar: Walking Simulator 44.4%, Horror 18.3%, Realistic 15%, Simulation 13.4%, First-Person 4.5%

Why You'll Like It: It combines exploration and puzzle-solving with a heavy dose of psychological horror in a confined space.

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 52.9%, Horror 20.4%, Atmospheric 13.2%, First-Person 12.3%, Singleplayer 1.2%

Why You'll Like It: This title focuses on exploration and atmospheric tension, providing a similar sense of isolation to the seed game.

Nothing but the stink of old, moist carpets, the madness of mono-yellow, and the blinding light of fluorescent bulbs at maximum hum-buzz. Over 600 million sq. miles of randomly segmented rooms. God save you if you hear something wandering nearby, because it sure as hell has heard you.

Why similar: Walking Simulator 37.3%, Horror 37.2%, First-Person 8.9%, Simulation 8.8%, Atmospheric 5.4%

Why You'll Like It: It captures the essence of liminal, claustrophobic horror in a free-to-play, first-person format.

Implements of Hell is a first-person psychological horror game. Explore the mysteries, unlock the secrets, and change the outcome in a slow-paced atmospheric, and extremely horrifying experience.

Why similar: Walking Simulator 36.8%, Cinematic 20.2%, Horror 12.5%, Realistic 11.9%, Atmospheric 7.1%

Why You'll Like It: A walking-simulator that excels at building a thick, unsettling atmosphere through its visual and audio design.

Frightence is a short, intense first-person horror experience.

Why similar: Walking Simulator 68.4%, Horror 29.3%, Singleplayer 2.4%

Why You'll Like It: A short, punchy first-person horror experience that relies on atmosphere and jump-scares to maintain tension.

When the Darkness comes is a walking simulator whose glitchy and dark tale tries to illustrate the hardships of depression and anxiety through a variety of imaginary digital landscapes.

Why similar: Walking Simulator 46.1%, Dynamic Narration 22.8% ★, Horror 13.5%, First-Person 11.2%, Atmospheric 5.6%

Why You'll Like It: A surreal, psychological horror walking-simulator that focuses on the player's internal state and environmental shifts.

A storm washed you upon the shore of a mysterious island with a horrific past. A terrifying first-person atmospheric horror game.

Why similar: Walking Simulator 33.6%, FPS 19.5%, Horror 12.9%, Realistic 11.5%, First-Person 8.1%

Why You'll Like It: A classic-style walking-simulator that uses its atmospheric, isolated setting to build psychological dread.

Explore the truly frightening subway cars and find out what fears the main character will have to face.

Why similar: Walking Simulator 34.1%, Cinematic 24.2%, Horror 13.5%, Realistic 9.8%, Simulation 8.8%

Why You'll Like It: This game blends simulation and exploration to create an unsettling, first-person horror journey.

Chorus of Carcosa is a first-person psychological horror game about an anxious sculptor who is trapped in a dark and ever-changing building. Stay silent, survive its twisted labyrinths and escape the monsters. Just don’t lose your way in the shadows or within your own mind.

Why similar: Walking Simulator 42.5%, Horror 15.2%, Realistic 13.3%, First-Person 10.2%, Simulation 8.8%

Why You'll Like It: A dark, psychological horror title that uses atmospheric walking-sim mechanics to tell a disturbing story.

Shadow of Pharos is a short first-person horror game.

Why similar: Walking Simulator 44.7%, Horror 29.4%, Atmospheric 14%, First-Person 10.2%, Singleplayer 1.8%

Why You'll Like It: It offers a mysterious, atmospheric horror experience that relies on immersive exploration.

Trapped in a hallucinatory, liminal-space style underground passageway, explore and unravel the endless "dead-end" paths to find a way forward. "Dead Path is a short ambient horror puzzle game that references Exit 8, but with a completely different core mechanic.

Why similar: Walking Simulator 34.8%, Underground 17.2% ★, FPS 15%, Horror 12.5%, Realistic 7.9%

Why You'll Like It: This game focuses on exploration and puzzle-solving within a psychological horror framework.

Fork Road is a first-person immersive atmospheric game with new gameplay , Be prepared to face fears you've never faced before

Why similar: Walking Simulator 45.8%, Horror 19.7%, Immersive Sim 12.9%, First-Person 12%, Atmospheric 6.2%

Why You'll Like It: A focused, singleplayer horror experience that utilizes jump-scares and atmospheric walking to build tension.

Face the fears lurking in the dark. Obscula is a psychological horror experience that tells the story of someone seeking the truth but finding themselves trapped in a nightmare. There's no escape, only answers… but are you ready for the truth?

Why similar: Walking Simulator 38.5%, FPS 23.7%, Horror 17.7%, Realistic 14.2%, First-Person 5.9%

Why You'll Like It: This title provides a dark, thriller-focused horror experience with a strong emphasis on exploration.

A first-person horror adventure game that will take you on a journey through an ancient castle and that lies beneath. Dangers and forgotten horrors await in the dark...

Why similar: Walking Simulator 52.4%, Horror 26%, First-Person 11.5%, Atmospheric 10.1%

Why You'll Like It: It features a dark, underground setting that emphasizes the feeling of being hunted in a confined space.

Dare to explore the most haunted vicinity in all of England? You will leave no stone unturned as you walk along the eerie grounds of the Black Waters Station and uncover the horror that lies within.

Why similar: Walking Simulator 28.7%, Horror 16.8%, Realistic 13.6%, First-Person 12.1%, Music-Based Procedural Generation 10.6% ★

Horror Family - Flight is a time-loop horror game set on an airplane.

Why similar: Walking Simulator 27%, Immersive Sim 18.2%, FPS 18%, Horror 10.6%, Realistic 6.6%

Why You'll Like It: A free-to-play, first-person horror experience that emphasizes the feeling of being trapped and pursued.

A claustrophobic first-person horror game about crawling through a dark, winding cave system in search of three missing divers.

Why similar: Underground 22.3% ★, Horror 21.8%, Walking Simulator 21.4%, Realistic 13.5%, Atmospheric 10.9%

Face your fears in realistic VR spelunking. Explore fictional and real-life caves recreated in VR, including the infamous Nutty Putty cave guided by a real-life rescuer. Tackle steep climbs and narrow tunnels with physical tools and authentic techniques.

Why similar: Walking Simulator 27.3%, Underground 24.5% ★, Immersive Sim 11.6%, Horror 9.4%, Realistic 8.6%

An anomaly-spotting horror game set in Level 0 of the Backrooms. Study the looping corridor and identify changes ranging from subtle details to terrifying entities. Decide to turn back if something has changed, or continue ahead if everything seems normal.

Why similar: Walking Simulator 25%, Underground 22.1% ★, Immersive Sim 18.6%, Horror 9.2%, Realistic 8.7%

The Descent, a horror walking sim in Rockwell Mine, immerses players in miners' harsh life and unsettling mine encounters. Play as an investigator uncovering a hometown mystery.

Why similar: Walking Simulator 42%, Simulation 15.7%, Realistic 13.8%, First-Person 11.1%, Horror 10.7%

A 3D horror game where your only goal is to finish your work… and survive the night. Unnatural anomalies creep into the office as you complete your tasks. Can you make it to the end of your shift alive.

Why similar: Walking Simulator 47.1%, Horror 19.1%, Atmospheric 9.2%, Realistic 8.8%, First-Person 7.5%

Cave Crawler is a short horror game where you pilot a drone into a cave and discover something horrible.

Why similar: Walking Simulator 48.3%, Horror 22.3%, First-Person 12.5%, Realistic 11.2%, Atmospheric 5%

DISTURBING FEARS is an episodic psychological horror game based on true events that immerses players in haunting narratives.

Why similar: Walking Simulator 30.7%, Horror 25.9%, First-Person 17.3%, Realistic 12.3%, Atmospheric 11.3%

You are a participant in Project Threshold, an experiment designed to force people to confront their deepest fears. Pass through sets of blue and red doors, survive what waits beyond them, and reach the end, if escape is even possible.

Why similar: Walking Simulator 39.3%, Cinematic 29.4%, Horror 11.7%, First-Person 9.8%, Atmospheric 5.3%

World Alone is a single-player Backrooms experience focused on dreamlike liminal pools. The game features a narrative told through cinematic sequences and immersive environments. Feel the true essence of solitude in World Alone...

Why similar: Walking Simulator 30.4%, Immersive Sim 20%, Cinematic 14.6%, Realistic 11%, First-Person 7.4%

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 31.9%, Cinematic 25.1%, Realistic 11.2%, Horror 9.4%, First-Person 8.5%

You are trapped in a corridor suspended above the clouds. Each time you open the door at the end of the corridor, explore the environment that awaits you, find anomalies, use the alarm, and break the loop.

Why similar: Walking Simulator 38.7%, Immersive Sim 19.9%, Realistic 13.1%, Horror 11.8%, Atmospheric 7.4%

Escape an ever-shrinking cave tunnel in this tense spelunking horror. As the stone walls transform into flesh, you'll face perilous claustrophobic spaces, flooded passages, and twisted inhuman creatures.

Why similar: Walking Simulator 33.4%, Underground 20.5% ★, Horror 17.8%, First-Person 16%, Atmospheric 10.5%

Whispering Fog is a first person psychological horror game set in an ever-changing forest shrouded in fog. A quiet getaway becomes a sinister nightmare as the illusion of safety and solitude slowly crumbles around you.

Why similar: Walking Simulator 38.6%, Horror 19.4%, Realistic 15.4%, First-Person 12.7%, Atmospheric 9.5%

You are all alone in this dark and frightening place. Run and hide, hurry to find a way out, because it follows you...

Why similar: Walking Simulator 36%, Immersive Sim 24.3%, Horror 14.5%, First-Person 10.6%, Atmospheric 5.9%

Fragments of Dread is an episodic psychological horror series. Each episode tells a self-contained story of dread, fear, and survival.

Why similar: Walking Simulator 41.4%, Cinematic 16.4%, Horror 15.8%, First-Person 9.4%, Atmospheric 8.3%

HORROR is a test of your logic in the face of primal fear. You are unarmed. You are vulnerable. All you have is a flashlight with a dying battery and your intellect.

Why similar: Walking Simulator 41.3%, Horror 22.9%, First-Person 11.3%, Simulation 10.7%, Realistic 8.9%

Investigator is a first-person exploration game with horror elements, where the events take place in a world of extreme weather cataclysms.

Why similar: Walking Simulator 49.2%, Horror 23%, Simulation 11.4%, Atmospheric 10.4%, First-Person 5.1%

Experience the liminal world of the backrooms through a VHS camera, immersing into a mysterious story and wandering the dream-like structures... Might there be something following you?

Why similar: Walking Simulator 38.7%, Horror 24%, Realistic 14.6%, First-Person 14.1%, Atmospheric 6.4%

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: Walking Simulator 57.1%, Realistic 17.1%, First-Person 12.4%, Atmospheric 11.6%, Singleplayer 1.8%

Project 13: Taxidermy Trails, a Walking Simulator set in a mesmerizing Taxidermy Museum. In this immersive experience, you assume the role of an kidnapped Probant forced to find a way to escape. Complete all 13 Walks to get out of this Nightmare.

Why similar: Cinematic 22.4%, Walking Simulator 18.2%, Simulation 12%, Immersive Sim 11.4%, Realistic 9.7%

Silent Still 2 is a first-person psychological horror that traps you in the paralyzing nightmare of sleep paralysis. Helpless and unable to escape, you’ll face unspeakable entities that watch, whisper, and move when you can’t. Blurring the line between waking and something far worse

Why similar: Walking Simulator 41.1%, Simulation 14.4%, Horror 13.3%, Realistic 13.1%, First-Person 11.3%

Chapter-based Backrooms experience. Embark on a chilling journey through the unknown. Visuals based on early 2000's camcorders.

Why similar: Walking Simulator 37.1%, Immersive Sim 27.6%, Horror 12%, First-Person 10%, Realistic 9.3%

If you scream, you restart. A jumpscare horror simulator where you walk through a pitch black forest and escape by reaching 8:00 AM.

Why similar: Walking Simulator 32.4%, Immersive Sim 18.1%, Horror 16.3%, Realistic 11.3%, First-Person 9.3%

This is a 3D first-person adventure and horror game that lets you plunge deep into your fears. A unique cave system, enemies and screamers. While picking mushrooms in a clearing, you stumble upon an abandoned hut. Exploring it, you find yourself in a cave full of unexpected inhabitants and surprises

Why similar: Underground 37.8% ★, Horror 29%, First-Person 14.1%, Realistic 13.3%, Atmospheric 5.7%

This is a short, first-person psychological horror game with VHS effects. Be careful, you are facing a terrifying being.

Why similar: Walking Simulator 59.2%, Horror 24.7%, First-Person 8.6%, Atmospheric 5.1%, Singleplayer 2.3%

Step into the eerie Kowloon Walled City in 墙之恐惧: The Walls Still Stand, an indie horror walking simulator. Complete daily tasks, uncover dark secrets, and explore with 3D spatial sound. Think critically to unlock all six endings in this 1-2 hour journey. Can you escape the city's grip?

Why similar: Walking Simulator 34.1%, Immersive Sim 23.3%, Simulation 12.2%, Realistic 9.4%, First-Person 8.6%

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Why similar: Walking Simulator 47.4%, Horror 37.3%, First-Person 13.6%, Singleplayer 1.7%

This is an indie horror game with first-person puzzles. Terror and fear have enveloped the city. The maniac has returned. You sneak into his lair to try and stop him before he goes too far...

Why similar: Walking Simulator 45.1%, Horror 18.1%, Realistic 15.2%, First-Person 11.8%, Simulation 9.3%

Metro trip simulator

Why similar: Walking Simulator 44.2%, Simulation 28.8%, First-Person 16.1%, Atmospheric 9.1%, Singleplayer 1.8%

You are trapped in an endless hallway. Observe your surroundings carefully to reach your destiny.

Why similar: Walking Simulator 34.7%, Immersive Sim 23.7%, Horror 12.5%, Realistic 12.2%, First-Person 9.1%