
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, Psychological Horror, Atmospheric.

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 26.7% ★, Psychological Horror 13.1%, Mystery 9.9%, Realistic 9.5%, Investigation 8.9%
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 20.8%, Investigation 16.7%, Psychological Horror 14.1%, Horror 8.9%, Mystery 8.7%
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 25.3%, Psychological Horror 11.8%, Horror 10%, Sci-fi 9.9%, Conspiracy 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 20.2%, Horror 11%, Mystery 10.6%, Investigation 10.2%, Realistic 8.8%
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 22.8% ★, Aliens 19.4%, Psychological Horror 11.1%, Investigation 9.9%, 1990's 7.9%
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 23.9%, Psychological Horror 13.4%, 1990's 11.8%, Horror 9.1%, First-Person 8.5%
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 14.9%, Psychological Horror 11.8%, Mystery 10.5%, Artificial Intelligence 9.1%
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 22.5% ★, Interactive Fiction 12.2%, Realistic 10.6%, Psychological Horror 8.1%, Mystery 7.5%
The Bright Blue Sky... Is Hiding Something.
Why similar: Investigation 20.5%, Mystery 15.1%, Sci-fi 11.4%, Horror 11%, Realistic 9.5%
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 23.5%, Psychological Horror 10.9%, Mystery 10.2%, First-Person 9%, Dark 8.1%
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 21.5%, Realistic 11.7%, Horror 10.4%, Mystery 9%, First-Person 9%
A first-person narrative horror game about an alien abduction at Grayswood Farm. 👽 The game is inspired by such movies as “Signs” and “The X-Files”.🛸
Why similar: Aliens 23.2%, Psychological Horror 10.8%, Investigation 9.7%, Horror 9.3%, Mystery 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 25.3%, Psychological Horror 14.3%, Sci-fi 10.7%, Realistic 10%, Horror 9.9%
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 16.2%, Mystery 13.8%, Puzzle Platformer 12.5%, Realistic 10.7%, Horror 10.3%
Trapped inside an abandoned mental asylum with a psychopathic killer lurking about, you are forced to explore the facility armed with only your wits to survive. With a blood hungry madman on your trail, every move could be your last. Will you escape to tell the tale or fall victim to the madness
Why similar: Artificial Intelligence 19.3%, Conspiracy 19.2% ★, Psychological Horror 10.6%, Horror 8.6%, Mystery 8%
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 13.9%, Investigation 11%, Psychological Horror 10.1%, First-Person 9.9%, 1990's 9.8%
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 16.9% ★, Investigation 14.1%, Psychological Horror 12.6%, Mystery 10.5%, Realistic 10%
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 16.6%, Interactive Fiction 12.1%, Horror 10.7%, Investigation 10.5%, Realistic 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 21.7%, Psychological Horror 12.8%, Mystery 11.6%, Realistic 9.5%, Horror 8.6%
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 29.1% ★, Investigation 13.4%, 1990's 12.1%, Psychological Horror 9.8%, Dark 7.9%
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 26.8% ★, Investigation 10.8%, Psychological Horror 10.3%, Horror 10%, Mystery 8.4%
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 16.7%, 1990's 11.8%, Realistic 9.8%, Sci-fi 9.5%, Horror 9%
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 22.5% ★, Interactive Fiction 17%, Realistic 11.1%, Adventure 8.5%, Exploration 8%
Investigate a mysterious old museum as an agent of the Anomalous Research Bureau. Identify strange anomalies, file accurate reports, and endure the nights until your investigation is complete.
Why similar: Investigation 18.6%, Psychological Horror 17%, Mystery 13%, Realistic 8.7%, Horror 8.6%
You arrive home and notice that something very bad has happened to your wife.
Why similar: Investigation 18.2%, Psychological Horror 15.3%, Interactive Fiction 11.2%, Horror 9.9%, Realistic 9.2%
Rummage through the abandoned profiles of an old PC to unravel an inherited mystery. What secrets hide in this eerie adventure of cryptic games and outdated software? Who was using this computer? And what happened to them?
Why similar: Artificial Intelligence 17.7%, Conspiracy 17.7% ★, Investigation 13.9%, Psychological Horror 11.4%, Interactive Fiction 10.1%
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 15.7%, 1990's 13%, Interactive Fiction 13%, Psychological Horror 12%, Mystery 9.8%
THIS GAME IS CANCELED.
Why similar: Aliens 19.7%, Investigation 13.1%, Interactive Fiction 11.6%, Psychological Horror 9.6%, Dark 7%
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 33.3% ★, 1990's 12.5%, Realistic 10.7%, Exploration 9%, Mystery 8.7%
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 23.8%, Psychological Horror 15.9%, Investigation 13.2%, Mystery 9.2%, Horror 9.1%
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 17.9%, Psychological Horror 16.5%, Horror 14.6%, First-Person 12.6%, Investigation 10.9%
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 29.2% ★, Psychological Horror 14.6%, Horror 10%, Mystery 9.6%, First-Person 8.5%
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 14.9%, Investigation 14.7%, First-Person 10.5%, Mystery 10.4%, Exploration 9.3%
A sci-fi, horror, thriller, mystery and conspiracy fps.
Why similar: Conspiracy 23.6% ★, Aliens 21.2%, Psychological Horror 12.5%, Mystery 10.5%, Sci-fi 9.4%
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 18.4%, Psychological Horror 16.5%, Investigation 15.5%, Horror 11.4%, Mystery 9.6%
A teacher wakes to an empty lecture hall where time stands still. Each loop reveals fragments of truth through questions, memories, and whispers of the past. The only way out is to remember what should have never been forgotten.
Why similar: Aliens 24%, Investigation 15.1%, Psychological Horror 12.1%, Conspiracy 10.2% ★, Mystery 8.9%
The Mystery of the planet Venus — is a single player first-person adventure game set on the planet Venus.
Why similar: Conspiracy 19.6% ★, Aliens 13.6%, Artificial Intelligence 12.2%, Realistic 12.1%, Sci-fi 9.9%
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 21.1%, Conspiracy 16.4% ★, Horror 11.8%, Mystery 10.3%, Realistic 9.6%
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 11.5%, Horror 11.1%, First-Person 10.3%, Dark 10.3%
You're a security officer deep within Area 51. Scan the staff, verify clearances, and decide who can enter the elevator and who absolutely mustn't leave. The deeper you go, the less certain you are that anyone standing before you is still human.
Why similar: Conspiracy 24.9% ★, Aliens 19%, Investigation 12.9%, Mystery 9.7%, 1990's 8.7%
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 16.9%, Investigation 13.9%, Realistic 12.8%, Horror 11.3%, First-Person 11.1%
The Hauntings is a 1-4 player online co-op investigation and exorcism game. Using a wide range of paranormal investigation equipment your group must try and successfully discover the source of the haunting and proceed to remove the threat from the area!
Why similar: Investigation 15.7%, Realistic 11.8%, Mystery 10.8%, Artificial Intelligence 10.5%, Interactive Fiction 10.3%
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 38.7%, Horror 11%, Mystery 9.6%, Action 8.3%, Adventure 7.6%
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 30.3% ★, Aliens 27.6%, 1990's 10.6%, Mystery 9.3%, Interactive Fiction 6.7%
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 13.6%, Investigation 12.1%, Psychological Horror 12.1%, Mystery 12%, Realistic 11.8%
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 27.1%, Psychological Horror 15.7%, Investigation 15.2%, Realistic 10.8%, Horror 8.8%
Explore dark corridors, snap photos, and survive hostile entities hunting you. Use your camera's flash to reveal the way, but beware - each flash draws unwanted attention.
Why similar: Psychological Horror 14.4%, Artificial Intelligence 13.9%, Investigation 13.2%, Realistic 11.2%, First-Person 9.7%
Roy Harker is a washed-up journalist at a dying paper when a mysterious informant points him to the infamous Wunderhause Studio. Follow the twisted path to truth in the narrative driven & blood-soaked nightmare of Wunderhause.
Why similar: Interactive Fiction 17.1%, Realistic 14.2%, Investigation 12.5%, First-Person 10.2%, Action 7.9%
Venture to Cecil Hollow and investigate the strange events that have driven away the previous owners. Cecil Hollow is a sci-fi horror game with a rich atmosphere set in modern day Kentucky.
Why similar: Conspiracy 23.3% ★, Aliens 18.7%, America 10.1% ★, Psychological Horror 10%, Realistic 8.4%
Investigate a disappearance in a quiet American suburb in 1997. Spend the night exploring the early internet and following a digital trail in this first-person mystery-horror experience.
Why similar: Investigation 13.7%, Mystery 11.3%, America 10.7% ★, 1990's 10.3%, Interactive Fiction 9.8%
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 24.8% ★, Psychological Horror 14.2%, Investigation 13.3%, Mystery 11.8%, Horror 8.6%
A new home owner begins to experience and capture unsettling occurrences around his property.
Why similar: Realistic 16.6%, Investigation 15.6%, First-Person 11.8%, Adventure 10.6%, Exploration 10.4%
Dive into the eerie world of ParaSonar, where an unknown threat looms over humanity. Paranormal electromagnetic waves and storms leak obscure creatures into our dimension. Equipped with advanced tools from ParaSonar Co., brave volunteers like you combat these unknown threats.
Why similar: Aliens 20.6%, America 15.9% ★, Investigation 15.4%, 1990's 9.7%, Interactive Fiction 9.5%
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 19.8%, Mystery 15.3%, Dark 10.6%, Realistic 10%, Investigation 9.9%
Horror game series about the investigation of missing hikers in the U.S. National Parks. Follow the story of a wannabe reporter who got a job as a ranger to investigate the disappearances - several episodes that tell one story. Based on true events.
Why similar: Conspiracy 19.9% ★, Psychological Horror 14.7%, 1990's 11.1%, Realistic 9.9%, Horror 9.5%
When a routine expedition into The Complex goes horribly wrong, you're left alone and lost, wandering the seemingly infinite maze of hallways, otherwise known as the Backrooms. Might there be something following you?
Why similar: Psychological Horror 17%, Realistic 16.9%, Mystery 13.3%, Horror 13.2%, Exploration 9.6%
Viewing the following footage is illegal and punishable by law if not previously cleared to do so. If you have access to this recording and are not part of local authority, please stop the video and discard the tape immediately.
Why similar: Conspiracy 23.2% ★, Realistic 12%, Investigation 10.4%, First-Person 8.2%, Artificial Intelligence 7.9%
Go to an abandoned village to find your missing brother. Explore the objects that come in your way. Solve the terrible mystery of this mysterious place.
Why similar: Conspiracy 21.3% ★, Mystery 10.8%, Horror 10.4%, Dark 10.1%, Psychological Horror 9.8%
Explore a mysterious island, build a base, and survive the night. The island exists in the present, but the surrounding sea is stuck in the pirate age with naval ships still sailing its waters. Scavenge solo or with friends and face creatures that hunt in packs. Every seventh night, the Horde comes.
Why similar: Conspiracy 24.1% ★, Artificial Intelligence 18.3%, Realistic 10.4%, Psychological Horror 8.6%, First-Person 6.8%