Top similar games like Sleeper S9:

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

You're in the home of a psychopathic art lover. and that isn't happy about this situation.He'll scare you. You have to be careful!

An observation horror game by a student dev and a tired AI. As a solo dev, I built this tribute to The Exit 8 using 30% logic and 50% blind faith in AI. Observe the hallway carefully: if you find an anomaly, turn back; if not, keep going. No saves, just pure student-made "artistic" chaos.

A terrifying 1-4 player co-op horror game. Explore 10+ handcrafted Backrooms maps, survive against 8+ unique entities, and use proximity voice chat to coordinate or panic. Your decisions shape the story with multiple endings. Discover optional lore that reveals the truth behind these Backrooms.

You are trapped in an endless, unsettling office corridor. Someone is calling, but is it for you? Observe your surroundings, detect anomalies, and find your way out before the last call ends.

Broken Wings: Hornet Down is an indie horror-adventure game in which the protagonist is Missing-in-Action over the war-torn Afghanistan. Explore your surroundings, discover the cursed past and find a way out.

Date Due is a first person horror game where you play as a librarian performing daily tasks to assist readers and manage the library. Unusual things start happening around you. With no way to escape, you must investigate and uncover the mystery behind the hauntings....

Project Diaspora: Planet Exploration is a game set in a virtual jungle planet called Diaspora, which is a dangerous unknown planet. Do the mission given by exploring planets and ruins, and check out the story that happens to the main character.

Explore a sealed hospital where staff and patients vanished overnight. Uncover dark secrets through puzzles and survive sudden scares—some brief, others leading to relentless chases. Dive into a single-player psychological horror experience and uncover a secret no one was meant to find.

Stigmatized Property, 事故物件 (Jiko bukken) is a horror game inspired by haunted apartment rooms in Japan. These properties are known to have cheap rents and you play to find out the exact reason why.

Can you tell the difference between truth and tale? Experience three short horror stories and gather clues as to which are true and which are just part of our imagination. Immerse yourself in the protagonist's perspective and discover eerie tales from around the world.

A first person psychological horror experience set in a quiet suburban home. Witness a violent crime, uncover unsettling events, and endure a night where fear slowly takes over familiar spaces. Explore a grounded environment where tension builds through atmosphere and subtle storytelling.

You wake up buried alive. You are running out of oxygen and you can't remember how you got here. There must be a way out, can you figure it out in time?

In Nine Floors, you are a student who has finished the horror of high school classes. Move down and go home! The High school feel like a backroom, find the anomaly in each floor and reach the exit. Based on popular's game The Exit 8 and Shinkansen 0 | 新幹線 0号

Explore varied environments and chilling soundscapes. avoid threats that stalk the in-between. Try to uncover why you are here and what happened to you. Listen out for strange out of this world creatures. A Liminal horror Experience awaits you

Fright Animatronics is a first-person psychological horror game. Welcome to your new job as a night shift guard and technician in our pizzeria. Your task is to repair animatronics, to monitor them and the pizzeria building using video surveillance

Go on a discovery quest where the task is to solve the greatest mystery of Dr. Frankenstein. The game makes innovative use of Virtual Reality with a hidden object model and crafting simulations combined with the fight against time. Become the time master and carry on Dr. Frankenstein’s legacy!

Missing Children | 行方不明 is a Japanese horror-themed adventure game about a bully detective searching for reported missing children.

The Convenience Store | 夜勤事件 is a J-horror game about a college girl on a night shift.

You are trapped in the new company by Lao Liu, and you need to carefully observe whether there are any abnormalities every day, make the right choice within the limited time, and break the cycle.

A horror puzzle game with strange rules

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.

You find yourself inside a cinema hallway, ready to watch your film. The venue, however, has other plans for you.

Trapped in a sealed security office, you must search every corner to find and identify hidden 'anomalous object'. Use limited clues and equipment to uncover their nature. Be careful—while you observe them, they are also watching you.

Experience Will's complicated story, find a way out of the nightmare of liminal spaces by solving challenging puzzles and avoiding dangerous entities — all this awaits you in "Shifting To The Backrooms".

Lured to a remote island, you find yourself confined within the rooms of an ominous mansion. You must draw upon all your puzzle-solving ability to navigate a series of trials devised by a mysterious figure known only as “The Craftsman”. Do you have what it takes to escape?

As you progress, you'll need to find keys and open locked doors. Solve puzzles and find passages. A first-person game with elements of horror. Explore the ship and its cabins, collect batteries for your flashlight. Ability to use the camera Solve puzzles. The darkness can conceal various secrets.

Blame Him is true first-person survival horror. A game about surreal atmosphere and dark challenges. A bone-chilling experience made by 2 people from Japan. Loved by and scared many YouTubers and Streamers.

You are stuck in an apartment building with endless floors full of fear. Observe your surroundings carefully to climb to the 15th floor and reach the roof of the building. Do not ignore any abnormalities. Your carelessness may result in death.

You are trapped in an endlessly looping indoor swimming pool. The space feels familiar, yet something seems subtly off. If you sense that something is out of place, change direction. If nothing appears different, keep walking.

After a life threatening accident, a young girl is thrown into a surreal world that may not be as beautiful as it seems.

Angstraum is an oppressive horror game that traps you in a threatening, never-ending loop. Observe your surroundings, uncover deviant anomalies, and escape deadly threats to find the exit.

Blackthorne's Manor is a first-person mystery thriller, where logic, puzzles, and the supernatural collide. Search for your missing friend, uncover the secrets of Blackthorne Manor, and escape before the house claims you too.

A gardener gets hired for maintenance work over the weekend. A simple task, but strangely some tools are missing… The owner of the garden isn't around, and their house is off-limits. Perhaps new tools can be found in the mysterious town, or maybe some of the reserved townsfolk have seen them?

You have to escape Miss Roseville's school by solving puzzles