Top similar games like Mountains of Madness:

You’ve discovered evidence of a cosmic presence influencing humanity since its origins. Now something born in the depths of the cosmos is calling again. Investigate, uncover forbidden knowledge and survive a disturbing first person Lovecraftian horror adventure.

Close Contact is a narrative-driven, sci-fi horror game where you must navigate an advanced underground base whilst avoiding the alien creature that stalks you.

Epsilon Eridana is a story-driven sci-fi survival horror with a heavy focus on exploration. Your goal is to investigate what happened to the crew of abandoned space base and unravel the terryfying secrets of the first extraterrestrial contact.

"Lust from Beyond: Scarlet" is a stand-alone, free introduction to the full version of "Lust from Beyond" - a horror game with elements of eroticism and occultism. This is not a demo version - you won't experience any spoilers here.

A cursed legacy awakens something ancient, revealing a terrifying reality never meant for human eyes. Follow your missing uncle’s trail, uncover forbidden secrets, and face a Lovecraftian cosmic horror in this first‑person adventure.

Separated by Nightmares: Where Duty Dies merges first-person puzzles with a poignant narrative. A driven lieutenant, haunted by hidden grief, confronts a sudden blackout. Clues force him to face buried truths, while a lurking darkness waits in the shadows.

Noctem is a first-person psychological horror game with an element of some real life experiences. Dive in an immersive experience, with atmospheric, realistic environments and unravel the horrifying long-covered secrets and the mystery that spreads all over the Alaska Triangle.

Isolated in a forgotten Canadian forest, you must unravel the truth behind E.C.H.O. Track down lost cassettes, solve cryptic puzzles, and evade the creatures lurking in the fog. Piece together the secrets of a defunct organization.

You were kidnapped by a crazy girl. And your phone started predicting her future for a short time. It's up to you to find out who she is, why this day doesn't end, and how to get out of this house.

Investigate the abandoned mansion where your family died, use your voice to speak to the spirit and collect evidence about the truth. Keep the camera rolling, no matter what you encounter.

Trapped in the endless liminal spaces of the Backrooms by accident, your only way out is to uncover the truth. Explore over 40 unique locations, unravel the dark experiments of the F.O.T. foundation, and piece together Arthur Penn’s story—all while fighting panic attacks to maintain your sanity.

The way out exists… but at what cost?

A giant cathedral of flesh has appeared in the middle of the ocean on a dying world. A small group of scientists are secretly investigating it when a mysterious woman appears, facing an impossible task.

Embark on this Lovecraft-inspired tale and discover the mysteries that await you on this island. Explore the island, solve challenging puzzles, and most importantly: try not to lose your sanity.

Lazaret is an atmospheric first-person horror game. You play as a member of a rescue team called out to investigate a distress signal coming from a ship that disappeared 4 years ago.

Late at night in an office tower, you are trapped in floors that keep repeating. Some of them have let in things that don't belong to this decade, as if something would rather you stayed. Spot the anomalies, keep going down, and find out what this building really is.

Beyond Acrimony is a first-person psychological horror set within the fractured spaces of a grieving mind. Explore shifting liminal environments shaped by emotion, solve cryptic puzzles, and confront what your mind refuses to let go of.

Evaluate a cold case by living it. A delivery rider works nights to support his new family, until one last order changes everything. Inspired by a real report. When the shift ends, you decide: archive the case, or leave it open.

You're a regular employee of department 14. One day, after falling asleep at your desk, you wake up and notice that all the other workers have left early and you are alone in the department.

Moons of Madness is a first-person, story-driven cosmic horror game where the scientific exploration of Mars meets the supernatural dread of Lovecraft.

A first-person psychological horror game set in the S.C.P. universe, where you use a specialized camera to reveal anomalies, hide from aggressive S.C.P. entities, and uncover the truth behind your confinement.

Curse of the Crimson Stag is a story-driven mystery thriller in which you explore a blurred line between supernatural occurrences and past tragedy. Uncover what led to the abandoning of the once luxurious Whiteroot Hotel. Local myth tells of a wrathful spirit known as the Crimson Stag…

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…

SCP: Infohazard is a survival horror game that immerses you in the inner workings of The SCP Foundation like never before. When an experiment is sabotaged, you must navigate through the facility and to find a way to stop what might just be a K-Class end-of-the-world scenario.

Immerse yourself in a chilling nightmare where the darkest corners of the past come to life to haunt you. This is a tense first-person psychological horror game that transports you to the heart of an abandoned police station. .

SCP: CONTROL ERROR is a short psychological horror game where you take part in a live experiment inside a restricted underground facility. The test begins. You're observed.

The world knows the Divine Comedy as a poem. For your family, it is a prison. As Gabriele Alighieri, you inherit a duty: reseal the gates of Hell. Burdened by fate, you descend into a psychological nightmare where the only escape is to uncover the dark secrets of your ancestors.

SUBJECT 33 is a story-driven psychological horror game set in an abandoned asylum. You are Ephraim, sent on a mission to uncover what happened before its sudden closure in 1984. As you explore, the line between reality and memory begins to blur — and the truth you uncover might destroy you.

Step inside a circus performer's quiet home, but don't stop at the surface. In this short-form descent into dread, follow a hidden labyrinth deep beneath the floorboards and watch a simple investigation spiral into a claustrophobic nightmare.

A knowledge-based progression game. Explore and solve the strange misteries of the interconnected fantasy worlds trapped inside an esoteric book and discover the roots of a terrible evil. No stats, no log, no savefiles. Only pure knowledge is your progress.

Armed with nothing but your camera, investigate the abandoned Gretlow House in this short, atmospheric horror game. Uncover a chilling mystery through a realistic found-footage lens.

"The sands have no pity." The inhabitants of Zetta-115 often say that. The same they instill in their children from an early age. And this is what they whisper about, sitting in their dilapidated shacks, waiting for the impending storm...

You've been hired by an outfit known as SMS Group to retrieve an artifact lost somewhere inside the abandoned Folcroft Monastery. Locals say the place is haunted by restless spirits, but the pay was too good to pass up. You asked little questions. Find the artifact requested and get out alive.

There are 6 depths to descend; the further you go, the more terror you will experience. Uncover mysteries, solve puzzles, and immerse yourself in a dark storyline that Inside Depth 6 has to offer. Journey through all 6 depths to uncover the secrets buried within.

Dive into a world of despair in the world of Underwater. Take the role of an unknown inmate entering the a deep sea prison where mutants roam and barely any traces of human life remain. You will have to use all your ingenuity to escape and avoid becoming the meal of the hideous denizens.

In an abandoned medical university, test your intellectual might as you unravel a 20-year-old mystery in this depraved first-person puzzle adventure, doing what it takes to escape your fate as a macabre scientist's human experiment. The ends justify the means in The Crow’s Eye.