Top similar games like Altitude Zero:

A short horror game where you pilot a submarine to collect samples on the crushing depths of the ocean.

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

COLD ABYSS is a relaxing and atmospheric exploration game where you repair internet cables on the bottom of the ocean. There are no enemies or other forms of danger down there. Just you.

Operate an oil-drilling submarine while taking instructions from a mysterious voice. Fail your quota, and they’ll cut your oxygen. This is deep-sea horror. Obey or drown.

Uncover the mystery of an arctic cargo outpost's lost crew in this horror game. Take in the frozen sea and delve into the depths of the facility, finding items and uncovering new paths with each one to learn what really happened here. But be careful, because something else might be here with you.

Navigate an underground warehouse, approve special items, and eliminate anomalies over a tense 7-day contract or face termination.

Memorize the room. Spot the anomaly. Flip the switch. If you miss a detail, the loop resets. A psychological horror where your attention is the only weapon against a shifting reality. Can you break the cycle?

A free first-person horror game about dream puzzles - unsettling, surreal and built on strange logic.

A slow burn walking sim with an interactive soundtrack and horror vibes. You explore abstract locations and create your own unique sound for each of them by moving around and using Monoliths.

Walking simulator. Explore cozy liminal spaces that feel unsettlingly familiar and spark your imagination, like a dream you’ve been in before.

Strange noises echo through empty rooms, shadows seem to shift, and it feels like you’re never truly alone. To feel safer, you’ve installed a smart monitoring system, allowing you to watch every room. But in a place like this, will that be enough?

FoMO is an experimental first-person horror with unpredictable mazes, a suffocating atmosphere, and a decaying retro look. No weapons, only escape, paranoia, and choices that accelerate the horror.

Inside SCP-167 is a first-person psychological horror game that combines investigation and puzzle-solving. Take on the role of Alex, the most experienced agent of the SCP Foundation, and explore a labyrinth of cubic rooms in order to put an end to a growing evil that is spreading throughout the area

The game will tell you about a person who mistakenly got into a mental hospital, from which he needs to get out. But what awaits him there ... Who will meet him on his way? What obstacles will he have to overcome in the time he spends there?

A psychological horror walking simulator set in an endless flooded pool. Explore liminal corridors, notice subtle anomalies, and endure the growing tension as you search for an escape.

Drive inside a dream, explore one of Saturn's moons, and discover the afterlife. John's Tombstone is a walking simulator; a story split in three chapters, each chapter very different from the other. It's a sci-fi story with some emotional overtones.

A psychological liminal space horror experience set across surreal backrooms, empty shopping malls, endless tunnels, retro locations and haunting hotels. Something is always watching you.

Explore a mysterious abandoned bunker and find notes that paint a disturbing picture.

Forced into working as an Anomaly Observer in a space stockroom, you must explore, observe carefully, and report inconsistencies. Earn Credits to buy upgrades, but beware: hideous horrors are creeping in the dark.

Captured and lost, you search for your scattered family as you tumble through a hostile cave of silk.

You were supposed to have a relaxing cabin trip on a island all alone but after several strange encounters you had a mystery to solve, will you be able to survive a first-person psychological horror game or will you run away?

A compilation of two slow-paced, cosmic horror walking simulators, to be completed in under an hour. Please makes you maintain a power station and ignore the noises from the main engine, while Please Follow has you explore the trenches of a losing war, exposing your mind to visions of another world.

You have found yourself within this god forsaken prison. The people around you don't seem human... They don't look good or trustworthy... But you share the same goal, freedom.

Grandma never showed up and Grandpa's tragic passing 3 days later left me in anger, confusion and sadness. I couldn't just let this go like it never happened, so I decided to go and find out what happened on my own. Will you survive a first-person psychological horror game and uncover the mystery?

Ensure the safety of the underground city. Manage the system through the terminal. Listen and watch carefully. It seems to have already made its way inside...

An alien hides among the pigs. Can you spot the imposter before it's too late? A tense observation horror game inspired by The Thing, where every oink could be your last.

An old cabin in the woods holds secrets. Explore the environment, search for objects and find a way out in a first-person horror.

Congratulations! You have been chosen for Vertigo Enigma. A narrative puzzle experiment where your logic and observation are the test. Until it becomes something else. Until you understand what "chosen" means...

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.

Short horror game where you survey the descent of a capsule through a hole in the middle of an ocean, with only 4 lights and your ears to ensure your surroundings remain clear.

A horror game where you're buried alive in a collapsed underground mine, and your only hope for survival is an old mining machine.

Wittengrad is no more is a surreal, narrative walking sim with horror elements. The city's foggy streets will lead you through the story of a single evening in Barnaba’s life. You will encounter the peculiar inhabitants of Wittengrad, though… does it even matter? After all, Wittengrad is gone.

A first-person psychological horror game where VHS tapes pull you into corrupted memories inside a flooded liminal complex.

Don't trust your eyes. A spot-the-difference horror with photography and a mysterious story. Explore 3 levels, find 100+ anomalies, and manage your sanity — mistakes warp reality. Uncover the truth of Project 404!

Seroutte is a short atmospheric experimental horror dreamscape based on the developer's nightmares. It explores themes such as the loss of control, fear of the dark, and the paranoia found within the unknown.

You are trapped in the Office. A first-person Observation-Game about walking an endless office, spotting anomalies, and getting off work.