Top similar games like Mountains of Madness:

The Land of Pain is a Lovecraftian horror adventure. After something strange appears in the woods, you'll have to learn how to survive as you fend off a dark and disturbing evil. Flee from an unrelenting enemy, solve puzzles, and unravel the ancient mystery that's befallen this land.

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.

Worlds collide as your cursed inheritance throws you into the middle of a series of mysterious events. Discover terrifying secrets as you follow your uncle’s disappearance, and confront a terrible truth that will change your life forever in this cosmic horror first-person adventure.

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.

Trapped in the city subway system due to a sudden disaster, you explore the depths of the tunnels to find your way out. The further you explore, the more you realize there is more to this disaster...and the lurking shadows are following your every move.

A first-person horror adventure. Uncover your past and survive the Algerian desert. Fear is your enemy; stay calm to not succumb to an illness threatening you and your loved one. Avoid darkness, hide from monsters and solve puzzles. Adventure Mode available for a less scary experience.

Explore the nightmarish, simulated world of Unwashed, a horror game that you must stay clean! Play as AA and uncover the truth behind Lumina, a government secret project, while racing against time to stop a secret mission that endangers countless millions of lives.

Silent Rain is a challenging online co-op horror game, for 1 to 4 players. Explore the house, investigate and gather knowledge while hiding from a psycho. How many tries will it take you to master your fear ?

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.

Doorways is an immersive horror adventure, featuring a complex story and deep atmosphere.

Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.

Inner Voices is a dark, non-linear adventure game with a pinch of horror, inspired by works of H. P. Lovecraft and E. A. Poe. Find your way through a procedurally generated maze of rooms and solve the mystery of your past.

Immerse yourself in the dark atmosphere of the horror game 'Run Away'. You will have to explore a hospital where terrible secrets and evil monsters are hiding. Solve puzzles, fight for your life to uncover the dark truth hidden within these walls.

When reality is a nightmare, nightmares become real. In this psychological horror game, you fight the terrifying creatures invading your mind. Can you save your sanity?

Descend into madness in a first-person survival horror inspired by Lovecraft and Giger. Solve the mystery of esoteric cults. Cross the gate to the blasphemous land of Lusst’ghaa. Play the new M-rated cut of the fan-favorite Lust from Beyond.

Can this last case of Oliver, all be just a small part of a bigger picture? Gather clues, unravel the mystery behind the case and uncover the truth.

From the creators of Amnesia: The Dark Descent and Dear Esther comes a new first-person horrorgame that will drag you to the depths of greed, power and madness. It will bury its snout into your ribs and it will eat your heart.

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.

Defaced: Dark Abyss is a first-person Horror Survival Game. While exploring a seemingly normal cave, you will soon realize that, hidden in the depths, lurks something you were never meant to see...

Abandoned Souls is a horror game, shown through a GoPro lens. You play as a vlogger who specializes in urban exploration.

They That Feast is a cosmic / Lovecraftian horror game in which your enemies can't simply be observed by the naked eye. Can you walk the line between sanity and survival?

Doorways: Holy Mountains of Flesh is an Immersive Horror Adventure, featuring a Complex Story and Deep Atmosphere.

Don't Be Afraid is an adventure horror game, that allows you to personate a boy, kidnapped by a psychopath. You have to survive, escape and find out how you were kidnapped. Exploring the gigantic, mysterious house of your torturer, you will soon reveal many secrets, hidden inside it’s walls…

Claustrophobia offers a scary and dark horror experience filled with blood boiling moments, first you will have to silently move your way through the darkness, until you can pick up arms and discover the truth. Can you figure out what is hiding in this grueling subterranean facility?

SANRI is a first-person psychological horror game where you play a schizophrenic character whose wife disappeared during camp. Face the delusions, solve the mystery and try to find her despite your constantly distorted perception of time-space.

You wake up from the noise of thunderstorms, no one there. You are trying to get out and realize that after all you are not alone here... Сan You Exit From?

Onryo | 怨霊 is a survival action horror game set in Japan. Your mission is to lift the curse of a haunted house using your exorcistic camera. As you explore the house and uncover its secrets, you will face enemies and puzzles.

Dark Fracture is a psychological horror experience in which you explore an ever-changing world where reality and nightmares collide. Walk on the edge of madness in the shoes of a tormented soul as you descend into the darkest depths of the human psyche, and question everything you see.

The Beast Inside is a unique, gripping twist on thriller and survival horror. Immerse in the story of long-buried secrets, personal tragedies, and madness. Play as two protagonists bounded by dark heritage. Combat the enemies, solve riddles and experience real terror in the 3D-scanned environment.

Among Ashes is a terrifying first-person survival horror game. Your friend has sent you a link to a game that someone posted online, but as you play you quickly realise that something is terribly wrong. Whatever you do… K̴͉͚̗̅̃̄E̷͓̤̺̊͠E̴̤̰̿̽P̴̠̳̀́ ̴̨̮̭̕̚P̷̠͇̳͐̓̀L̶̹̔Ả̷̧Y̵̘̺͆̓Ï̸̻̏͂N̷͙̯͊G̵͖̹̠̽̿

Be careful and don't panic, someone will try to catch you and take you to hell...

Experience the horrors of one of the most infamous experiments that ever took place. As a test subject in a top-secret Soviet research facility, you must endure days without sleep while facing unimaginable terrors that lurk in the shadow.

You are a veteran, in a post World War 3 apocalyptic world. Starving and alone, you fight to keep your sanity in the hell that this world has decayed into. In a desperate attempt to find food, you stumble your way into an abandoned prison, but you find out it is not as abandoned as you believed...

You have been taken prisoner and sold to a deep space testing facility. Upon arrival, you are fitted with a device forcing you to participate in their experiment. Released into a massive complex, the dark halls wind around testing rooms and conceal pieces to puzzles. There is no option but to comply.

Husk is a purebred FPP horror inspired by the most classical representatives of the genre. Discover Shivercliff - a daunting town where you uncover the ominous and tantalizing plot. Face the worst nightmares, solve mysteries and survive the devouring darkness in order to find your family.

Grab your headphones and play one of the most atmospheric horror games on Steam!