Games like Project Unknown on Steam
Filters & Lists
Labyrinthine
A co-op horror game like no other... Play with 1-8 players online as you solve puzzles, collect items and run from the horrors that lie within. Follow in the footsteps of Joan in the story mode or tackle procedurally generated maps that scale with your level and bring a fresh experience each game..
Backrooms Rec.
Dive into the mysteries of the Backrooms with a solo-developed survival game. Explore eerie hallways, uncover secrets alone or in multiplayer (up to 6 players), and take on unique challenges.
Secret Neighbor: Hello Neighbor Multiplayer
Hello Neighbor Multiplayer. Secret Neighbor is a Multiplayer Social Horror Game where a group of intruders try to rescue their friend from the Neighbor's creepy basement. Only problem is one of the intruders is the Neighbor in disguise.
Somewhere in the Shadow
Woke up in strange dark spot. Who has done it with you? And why? Try to get out from that scary place and stay alive...
Dead by Daylight
Trapped forever in a realm of eldritch evil where even death is not an escape, four determined Survivors face a bloodthirsty Killer in a vicious game of nerve and wits. Pick a side and step into a world of tension and terror with horror gaming's best asymmetrical multiplayer.
Stay Close
Stay Close is open-world horror game, with options for single-player and co-op. It has an unique and new gameplay approach unseen so far in any other game. You'll find yourself in a creepy and anomalous town, what is your next move?
Cry of Fear
Cry of Fear is a psychological single-player and co-op horror game set in a deserted town filled with horrific creatures and nightmarish delusions. You play as a young man desperately searching for answers in the cold Scandinavian night, finding his way through the city as he slowly descends into madness.
This is a Ghost
This is a Ghost is a ghost-hunting psychological horror game. Using your equipment, track down paranormal activity and gather evidence to identify the entity, then banish it from this world! Solo and online co-op play for up to 4 players. 👻
Ghost Exorcism INC.
Ghost Exorcism INC is a horror game where you can play alone, or in a team of up to 6 exorcists. Your mission will be to identify paranormal entities, and then exorcise them.
The Outlast Trials
Red Barrels invites you to experience mind-numbing terror, this time with friends. Whether you go through the trials alone or in teams, if you survive long enough and complete the therapy, Murkoff will happily let you leave… but will you be the same?
Nuclear Nightmare
Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.
Obsideo
Obsideo is a 1-4 player online co-op psychological horror, where you and your team of priests explore different locations experiencing paranormal events in an attempt to figure out what ghost they're dealing with and exorcise it from the property.
Darkwater
Darkwater is a cooperative extraction horror game for 1-4 players. Command a submarine trapped under the ice of an alien planet. Battle enemy vessels and deep sea abominations as you hunt for resources. Do what it takes to survive.
Hospital 666
Hospital 666 is a 1-4 player horror escape game. Traverse through eerie hospital levels while observing the occurrence of anomalies and choosing the correct elevator. Some abnormal bosses will chase you to death, and you must find the right way to escape them.
White Noise 2
Enjoy a 4vs1 asymmetric horror experience like no other. Be a part of the investigator team, or take control of the creature and devour them!
Untitled Ghost Game
Free multiplayer 2D ghost hunting game that you can play with friends created by a small game dev team.
White Noise Online
A fully cooperative horror experience like never before! On White Noise Online, a team of up to 4 investigators has to explore an area looking for clues, while avoiding being devoured by a supernatural creature. Will you be able to uncover the truth behind the mysterious events?
Lethal Company
A co-op horror about scavenging at abandoned moons to sell scrap to the Company.
Storebound
A 1-3 co-op puzzle horror game. Lost in an accursed megastore, work together to find the exit before its lurking horrors trap you forever.
Sinister Night 2
Nine Streamers enter an ancient Chinese mansion, hoping to attract a huge following and become famous through livestreaming. However, two of them are tragically possessed by evil spirits. These possessed will slaughter their companions, and complete a malevolent ritual of a ghostly wedding.
SCP: Fragmented Minds
You arrive at Mars Site-113, a decaying monument to the SCP Foundation's ambition—and its failures. Once the most secure facility, now a cradle of horrors calling you to uncover its secrets. Face relentless anomalies, humanity's darkest truths, and a mission that demands survival above all else.
PROJECT: PLAYTIME
PROJECT: PLAYTIME is a Free-to-Play multiplayer horror game where six players attempt to create one giant toy while surviving a terrifying monster that roams the toy factory. A seventh player controls the monster and is given only one goal: Find and kill everyone.
The Blackout Club
The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed.
Visage
Visage is a first-person psychological horror game. Explore a mysterious ever-changing house in a slow-paced, atmospheric world that combines both uncannily comforting and horrifyingly realistic environments, and enjoy a genuinely terrifying experience.
BACKROOMS: APPREHENSION
A terrifying multiplayer horror experience with social deduction elements. Trapped in the Backrooms, up to 12 players must try to work together to survive and expose the shapeshifting Skin Stealer hiding among them before it’s too late. Who will you trust?
SCP: Nine-Tailed Fox
You are the leader of Foxtrot Unit 1, "Nine-Tailed Fox", a highly trained force tasked with re-containing a multitude of terrifying anomalous entities that have broken loose inside a top-secret research facility.
DEATH IN UNISON
Survive the world's deadliest psychopaths. Experience a unique 2-player co-op experience that puts your teamwork and communication to the test. Complete your duties alone or with a partner in a prison like no other.
Fear Surrounds
Fear Surrounds is a horror-tinged take on the werewolf-style social subterfuge genre, where two evil spirits hide within a group of players and attempt to sabotage and murder them.
SCP: Secret Laboratory
Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape.
Slender: The Arrival
Slender Man returns more terrifying than ever. You're on your own. No one to help you. No one to hear you scream. Relive the horror all over again with cutting edge visuals for the 10th Anniversary Update and experience survival horror at its finest.
Sketchy's Contract
A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.
School Labyrinth
School labyrinth is a 1~4 co-op horror game set in a randomly generated school at night. Cooperate with your friends and try to escape from the school building!