
Within the Unknown is a first-person, psychological indie horror game where you regain your memory and relive the trauma from your dark past in a sci-fi simulation.
60+ similar titles based on shared tags and player behavior. Themes include Horror, First-Person, Atmospheric, Mystery.

Within the Unknown is a first-person, psychological indie horror game where you regain your memory and relive the trauma from your dark past in a sci-fi simulation.

The Anomaly Experiment
Sentenced to life in prison, you’re offered freedom by joining a trial for a new drug. The experiment is simple: enter the room, observe, and identify what has changed. Complete all tasks, and your sentence is commuted. But, the further you go, the more unsettling your reality becomes.

Abducted
Play as the socially rejected host of ETRadio, desperate to discover alien life while being mocked for answering hoax sighting calls - until one turns out to be terrifyingly real. When the call comes in, will it be the air that goes dead - or will it be you?
Sentenced to life in prison, you’re offered freedom by joining a trial for a new drug. The experiment is simple: enter the room, observe, and identify what has changed. Complete all tasks, and your sentence is commuted. But, the further you go, the more unsettling your reality becomes.
Why similar: Conspiracy 26.6% ★, Psychological Horror 13%, Mystery 9.8%, Realistic 9.7%, Investigation 8.8%
Play as the socially rejected host of ETRadio, desperate to discover alien life while being mocked for answering hoax sighting calls - until one turns out to be terrifyingly real. When the call comes in, will it be the air that goes dead - or will it be you?
Why similar: Aliens 21%, Investigation 16.4%, Psychological Horror 14%, Horror 9%, Mystery 8.6%
A former military investigator travels to Point Pleasant, West Virginia, to solve a series of murders and child disappearances. Follow the legend of the Mothman into secret underground facilities, government conspiracies, and unimaginable horrors hidden beneath America.
Why similar: Conspiracy 19.3% ★, Aliens 15.6%, Investigation 12.2%, Psychological Horror 10.7%, Horror 7.3%
S.O.V.A. is a first-person psychological horror about a Yugoslav AI built to predict wars and disasters, then shut down under suspicion it was also influencing them. Inspired by a real bunker and re-imagined history. What happens when the AI finds a way to survive?
Why similar: Conspiracy 22.3% ★, Psychological Horror 15.8%, Horror 11.1%, Mystery 9.6%, Artificial Intelligence 8.6%
Fate chapter 2 is a psychological horror game from the first person perspective and offers a complete story and experience. The game includes many different regions and puzzles. See you right around and solve the mystery and the most important SURVIVE!
Why similar: Artificial Intelligence 18.2%, Time Manipulation 15.2% ★, Realistic 11.7%, Psychological Horror 10%, First-Person 8%
In this horror game, you will follow the story of Andrew as he embarks on a journey to reconnect with his past, revisiting childhood memories of searching for his missing father - a passionate UFO researcher and enthusiast.
Why similar: Aliens 24.2%, Psychological Horror 13.3%, 1990's 11.7%, Horror 9.2%, First-Person 8.5%
Backrooms: Found Footage is a single-player horror game where you are the main character trying to survive the Backrooms. Curiosity wins and you decide to explore this weird place that you got trapped in. What could go wrong?
Why similar: Realistic 14.3%, Investigation 10.5%, Psychological Horror 10.4%, 1990's 9.7%, First-Person 9.3%
A psychological horror adventure where you explore shifting dream worlds, solve immersive environmental puzzles, and unravel the mysteries of your fractured mind inside a surreal facility.
Why similar: Psychological Horror 20%, Horror 11.1%, Mystery 10.5%, Investigation 10%, Realistic 9%
In The Greys: Human Abductions, you discover top-secret documents and unsettling alien evidence. As you explore, encounter strange noises, bizarre events, and the chilling possibility of abduction. Will you uncover the truth or become the next victim?
Why similar: Aliens 25.6%, Psychological Horror 11.7%, Horror 10.1%, Sci-fi 10%, Conspiracy 9.1% ★
A First Person Sci Fi Horror Game. Set within a confidential Underground Facility, Navigate through this Abandoned Complex, Discover Government Experiments, Alien Beings, and the haunting aftermath of the Roswell Crash.
Why similar: Conspiracy 22.5% ★, Aliens 19.8%, Psychological Horror 11%, Investigation 9.8%, 1990's 7.9%
A psychological horror game about being a child in an insane asylum. You're in a cruel world but your imaginary friends have your back. Here, you will uncover a dark conspiracy where you are to receive a terrible fate.
Why similar: Conspiracy 22.2% ★, Interactive Fiction 12.1%, Realistic 10.8%, Psychological Horror 8%, Mystery 7.4%
Investigate the sleepy town of Lakewood as you follow the trail of numerous missing person cases and the mysterious cause of the disappearances. Unravel the secret of Lakewood and try to survive its tightening grip.
Why similar: Conspiracy 19.2% ★, Investigation 14.8%, Psychological Horror 11.8%, Mystery 10.5%, Artificial Intelligence 8.9%
Short first-person horror experience where you navigate through dark tunnels, hide from a monstrous entity, and uncover the biggest secret of your life.
Why similar: Aliens 25.6%, Psychological Horror 14.2%, Sci-fi 10.7%, Realistic 10.2%, Horror 10%
A psychological horror game where you complete night shift tasks, investigate hidden clues, and survive increasingly disturbing paranormal encounters across five terrifying nights.
Why similar: Conspiracy 17.9% ★, Investigation 11.4%, Interactive Fiction 9.2%, 1990's 9%, Realistic 8.9%
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.
Why similar: Aliens 21.6%, Realistic 11.9%, Horror 10.4%, Mystery 8.9%, First-Person 8.8%
We may be a small team, but we sure as hell have passion and drive. This single-player horror experience in a long-abandoned gold mine will make you go insane, wandering endlessly until death finally finds you. Misery awaits all who enter Jawbone Hollow. Do you think you can survive?
Why similar: Psychological Horror 16%, Mystery 13.6%, Puzzle Platformer 12.9%, Realistic 10.9%, Horror 10.4%
Step into the boots of a fire lookout in this atmospheric first-person horror game. Armed with only a flashlight and a pump-action shotgun, you must survive the eerie alien threat lurking in the shadows. Uncover the dark secrets and unravel the mystery behind the strange happenings in the area.
Why similar: Aliens 23.8%, Psychological Horror 10.7%, Mystery 10%, First-Person 8.9%, Dark 8%
The Bright Blue Sky... Is Hiding Something.
Why similar: Investigation 20.2%, Mystery 14.9%, Sci-fi 11.5%, Horror 11.2%, Realistic 9.7%
Uncover the terrifying truth behind the Blackwood conspiracy in this first-person psychological horror. Use emerging psychic powers to solve deep, environmental puzzles and survive the secrets of Project GENESIS.
Why similar: Conspiracy 16.8% ★, Investigation 13.9%, Psychological Horror 12.6%, Mystery 10.5%, Realistic 10.3%
Find what doesn't belong. Capture the evidence. Survive what finds you. Final Footage is a psychological horror game where you investigate anomalies, hide from the Knocker, upgrade your equipment, and unlock increasingly dangerous locations.
Why similar: Investigation 16.2%, Psychological Horror 15%, Mystery 10.2%, Realistic 10.1%, Horror 9.8%
Five nights on a ward that should have been torn down. The generator is the only thing standing between you and the dark. He does not hurry, because he does not need to. Six AM is a very long way from here.
Why similar: Conspiracy 19.2% ★, Artificial Intelligence 18.9%, Psychological Horror 10.6%, Horror 8.7%, Mystery 8%
The original 90's Myst style Adventure Game featuring pre rendered graphics, intricate puzzle solving and step through exploration, exactly as it was first released in 1996 but with the post launch patches added. 'Extras' include the original pitch document, pre production art and loads more.
Why similar: Conspiracy 25.4% ★, Aliens 21%, Realistic 8.9%, Psychological Horror 8%, Dark 7.8%
You must complete a lunar mission only with the other person on the radio. When you realize that you were not sufficiently informed about the place.
Why similar: Psychological Horror 16.5%, Interactive Fiction 12%, Horror 10.8%, Investigation 10.3%, Realistic 9.2%
Investigate an abandoned Indian school where the truth was buried — literally. Manage a failing power system, monitor live CCTV feeds, and piece together a tragedy through documents, audio logs, and authentic Hindi voice work in this psychological horror investigation.
Why similar: Psychological Horror 24%, Investigation 21.5%, Horror 13.1%, Realistic 12.6%, Atmospheric 7.9%
Horror puzzle game with spot-the-difference elements for survival. Complete interesting puzzles throughout your home to gain access to more areas and unlock more of the story all while using your modified camera to survive the threat that is lurking.
Why similar: Aliens 22%, Psychological Horror 12.6%, Mystery 11.5%, Realistic 9.6%, Horror 8.7%
The Immemorial Order II Sisters of Darkness is primarily a spooky, atmospheric, first-person walking simulator that doesn't take itself too seriously.
Why similar: Conspiracy 23.4% ★, Psychological Horror 13.4%, Investigation 12.5%, Mystery 11.1%, Horror 8.2%
You’re a security guard assigned to protect the entrance to an abandoned mine. You’re not supposed to go beyond your post, but you keep on hearing odd noises coming from within. Investigate their source – and stay alive.
Why similar: Aliens 16.9%, 1990's 11.7%, Realistic 10%, Sci-fi 9.5%, Horror 9%
Broken Voyage is a detective-focused horror game that takes place on an whaling boat gone silent where the player will solve murders, unweave the strings behind a grander mystery, and resist the allure of a lovecraftian monster!
Why similar: Time Manipulation 27.1% ★, Investigation 10.7%, Horror 10.3%, Psychological Horror 10.2%, Mystery 8.3%
Face the Dread, Survive the Night. An island has seemingly appeared just overnight in the middle of the ocean. Lost and stranded, the player searches for a way out but finds the island inhabited by a violent locals who stop at nothing to kill all outsiders.
Why similar: Conspiracy 28.9% ★, Investigation 13.3%, 1990's 12.1%, Psychological Horror 9.7%, Dark 7.8%
Your first assignment alone. An island where no one has lived for thirty years. A lighthouse that stopped shining. The job was only supposed to take a few hours.
Why similar: Psychological Horror 19.3%, Horror 13.7%, Mystery 10.3%, Interactive Fiction 10%, First-Person 9.3%
Blackhall takes place in the 1970s and lets you explore a remote underground shelter that became home to an isolated community. The facility, long abandoned and left to deteriorate, still shows traces of the people who lived there and the society they built.
Why similar: Conspiracy 22.2% ★, Interactive Fiction 16.9%, Realistic 11.3%, Adventure 8.8%, Exploration 8%
THIS GAME IS CANCELED.
Why similar: Aliens 20%, Investigation 12.9%, Interactive Fiction 11.5%, Psychological Horror 9.5%, Dark 7%
You arrive home and notice that something very bad has happened to your wife.
Why similar: Investigation 17.9%, Psychological Horror 15.2%, Interactive Fiction 11.1%, Horror 10%, Realistic 9.4%
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.
Why similar: Aliens 17.9%, Psychological Horror 13.5%, Investigation 13.1%, Mystery 9.8%, Horror 9.3%
Children have been vanishing while playing with the brand new Room2Room handheld gaming system. You have been contracted to monitor playtest sessions, document any unwanted quirks, and help young testers play safely.
Why similar: Investigation 15.5%, 1990's 13%, Interactive Fiction 13%, Psychological Horror 12%, Mystery 9.8%
A new home owner begins to experience and capture unsettling occurrences around his property.
Why similar: Investigation 17.6%, Realistic 17.4%, Mystery 12.3%, First-Person 11.6%, Exploration 10.1%
In Lift/Shift, you're a research agent documenting a strange apartment where objects constantly change. Use your specialized camera to stabilize reality across multiple floors.
Why similar: Conspiracy 32.9% ★, 1990's 12.4%, Realistic 11%, Exploration 8.9%, Mystery 8.6%
A psychological horror game where you play as a medium investigating the disappearance of a family. Explore a house with an oppressive atmosphere, close your eyes to hear the beyond, use your mirror to see what should not exist and uncover the truth hidden within its walls.
Why similar: Psychological Horror 19.4%, Mystery 15.2%, Dark 10.4%, Realistic 10%, Investigation 9.6%
It's 1995. The video store is alive. When the last customer leaves, the final rental rewrites reality.
Why similar: Psychological Horror 18%, Investigation 15.4%, Mystery 12.9%, Horror 12.5%, First-Person 10.2%
The Echo Paradox is a first-person psychological horror game. Humanity stands on the brink of an unsettling revelation – alternate dimensions are real, but eerily without signs of life.
Why similar: Aliens 24.4%, Psychological Horror 15.8%, Investigation 13%, Horror 9.1%, Mystery 9.1%
A police detective travels to an abandoned island to investigate mysterious disappearances. A hidden laboratory is still running, but its doctor and research team have vanished. Explore the island, uncover clues, and discover the disturbing truth behind the missing.
Why similar: Aliens 24.4%, Investigation 14.9%, Psychological Horror 12%, Conspiracy 10.1% ★, Mystery 8.8%
A dark, sci-fi, indie horror. The protagonist, Chris, wants to find his father, a scientist at Area 51 who has disappeared. He and his friends plan to infiltrate Area 51 and find his father. But the secrets and horrors of the place await them there...
Why similar: Aliens 31.8%, Horror 13.3%, Realistic 12%, Psychological Horror 11.8%, Dark 10.1%
A sci-fi, horror, thriller, mystery and conspiracy fps.
Why similar: Conspiracy 23.2% ★, Aliens 21.5%, Psychological Horror 12.4%, Mystery 10.4%, Sci-fi 9.4%
Backrooms: Exploration is a single-player horror game, which takes place in 2020. Two friends have lost their jobs due to COVID-19, but they still have to bring food to the table. After a failed heist, one of them ends up in the Backrooms. Now your only mission is to survive.
Why similar: Realistic 18.2%, Psychological Horror 16.4%, Horror 14.7%, First-Person 12.4%, Investigation 10.7%
The Mystery of the planet Venus — is a single player first-person adventure game set on the planet Venus.
Why similar: Conspiracy 19.4% ★, Aliens 13.9%, Realistic 12.4%, Artificial Intelligence 11.8%, Sci-fi 10%
Sanguis Luna is a first person Horror video game that catapults you into a frightening Mansion. Your main objective is to escape the infested Mansion, finding objects and challenging riddles while exploring incredible scenarios.
Why similar: Realistic 15.2%, Investigation 14.5%, First-Person 10.4%, Mystery 10.3%, Exploration 9.3%
UFOPHILIA is a first-person psychological horror game where you explore areas marked by alien phenomena. Use specialized equipment to detect, identify, and photograph aliens—but do so at your own risk... They are watching you too.
Why similar: Aliens 18.7%, Psychological Horror 16.3%, Investigation 15.2%, Horror 11.5%, Mystery 9.6%
Omniscient is a first person horror set aboard a research ship drifting in Neptune's orbit. Your crew is gone. The power is out. And something else lurked onboard. Unarmed and alone, trust your newly enhanced senses to survive. They are your greatest gifts, after all.
Why similar: Aliens 22.3%, Artificial Intelligence 16.9%, Sci-fi 10.5%, Psychological Horror 9.8%, Horror 9.6%
First-person psychological horror escape-room: You're a caregiver in a house where reality fractures and memories melt into the architecture. Read the environment, solve puzzles, and confront the blurred line between truth and illusion.
Why similar: Psychological Horror 21%, Conspiracy 16.2% ★, Horror 11.9%, Mystery 10.2%, Realistic 9.8%
Use your wits and iconic ghost hunting equipment to uncover the mystery of what happened to the residents of an abandoned apartment complex in this narrative-driven horror experience.
Why similar: Interactive Fiction 13.5%, Psychological Horror 12.1%, Realistic 12%, Investigation 12%, Mystery 11.9%
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.
Why similar: Psychological Horror 16.1%, Realistic 11.8%, Horror 11.2%, First-Person 10.3%, Dark 10.2%
A VR narrative sci-fi horror game. Trapped in an alien prison, you explore, investigate objects, and talk your way through an escape with Isaak, a survivor stranded in orbit who can only reach you by radio. Every conversation choice shapes what he tells you and what he keeps to himself.
Why similar: Aliens 18.9%, Psychological Horror 14.3%, Mystery 12.7%, Interactive Fiction 9.7%, Sci-fi 9.3%
Manipulate the secrets of a shadowy government archive. Every file you release or destroy shapes public view of the government. But beware, evil deeds will haunt you.
Why similar: Conspiracy 29.1% ★, Psychological Horror 14.6%, Horror 10.1%, Mystery 9.6%, First-Person 8.5%
Abduction is a singleplayer psychological horror experience. When unexpected visitors arrive in the middle of the night, you must defend your farm in order to take back your land.
Why similar: Aliens 27.4%, Psychological Horror 15.6%, Investigation 14.9%, Realistic 11%, Horror 8.9%
An atmospheric first-person horror where you play as a forest ranger investigating a series of bloody events. Search for clues, monitor the perimeter through surveillance cameras, and keep your shotgun at the ready: an unfathomable horror lurks in the nocturnal gloom…
Why similar: Investigation 15.6%, Psychological Horror 14.2%, Horror 9.3%, Dark 8.1%, 1990's 8.1%
YouTuber Junho enters an abandoned factory at night to film his next video. The footage from that night is never uploaded. Explore the dark, three-story factory, complete the shoot, and uncover its secrets in this first-person psychological horror game.
Why similar: Psychological Horror 21.2%, Investigation 12.3%, Horror 11.9%, Realistic 11.9%, First-Person 10.7%
Veil of Sanity: Echoes of the Carnival (Chapter 1) combines psychological horror with intense gameplay. Keep your sanity intact as you explore a forsaken carnival. More chapters coming soon!
Why similar: Psychological Horror 16.8%, Investigation 13.6%, Realistic 13.1%, Horror 11.4%, First-Person 11%
Unknown Presence is a first-person adventure horror game where you will witness unexplainable phenomena, from floating orbs to unknown beings. You will explore many locations, from caves all the way up to snowy mountains and everything in between.
Why similar: Aliens 38.8%, Horror 11%, Mystery 9.4%, Action 8.5%, Adventure 7.8%
Your friend Mike is missing! He made pizza at the local pizza joint until his paranoia with aliens took over. Help find him in this strange, lo-fi adventure! Set in the 1990s, Aliens Rule is an indie RPG game full of conspiracy theories, mystery, NPC interaction, and lots of pizza.
Why similar: Conspiracy 30% ★, Aliens 28.1%, 1990's 10.5%, Mystery 9.3%, Interactive Fiction 6.7%