Games like Unknown Rules

Survive the ultimate outbreak in this 4-player co-op horror experience powered by Unreal Engine 5. Explore a new hospital and two famous psychiatric hospitals from the saga in the aftermath of a fire. Manage your resources and use flamethrowers to eradicate a massive organic infestation, destroying the 'Mother Organism' by launching the emergency protocol in SOLO mode or with friends hosting and j… If you enjoyed this game, see our list of games similar to County Hospital Outbreak.

A co-op horror game. In it, players take on the role of a group of people who are trapped, full of dangers and horrors. The goal of the game is to get out by solving puzzles, avoiding traps and fighting monsters. If you enjoyed this game, see our list of games similar to Sucker head: Bodycam.

You are not alone in the dark. MOURNIGHT is a 1 to 4-player online co-op horror game where survival is your only goal. A cursed mansion, locked doors, and something watching your every step... Explore your surroundings, collect items, and don’t lose your light. A CURSED MANSIONThe curse of the Venedal Family has turned their home into a living nightmare. Whispers echo through the walls, and un… If you enjoyed this game, see our list of games similar to Mournight.

89%Game Brain Score

Most mentioned positive aspects:atmosphere, humor

Most mentioned negative aspects:gameplay, graphics

89% User Score Based on 79 reviews

Damned 2 is an asymmetrical multiplayer horror game where four survivors must explore cursed locations, solve puzzles, and escape alive — while a fifth player takes on the role of a deadly creature hunting them down. Each match is unpredictable and filled with tension. To escape, survivors must search for items, unlock doors, and complete puzzles scattered across the map. Every match reshuffles ke… If you enjoyed this game, see our list of games similar to Damned 2.

69%Game Brain Score

Most mentioned positive aspects:music, graphics

Most mentioned negative aspects:stability, gameplay

69% User Score Based on 72 reviews

Under Lock is a multiplayer asymmetrical PvP horror game for 5 players (4 survivors versus 1 monster). Take the role of a survivor with the goal to outsmart the monster and escape from lockdown. Or choose one from several unique monsters to hunt down and devour the victims. If you enjoyed this game, see our list of games similar to Under Lock.

YOU WORK FOR THE COMPANY. YOU OWE $1,000,000. MEET THE QUOTA OR FACE THE CONSEQUENCES. In this 1-6 player online co-op survival horror game, you descend into dangerous and abandoned facilities as contracted workers for a ruthless corporation. Your goal isn't just to scavenge valuable scrap and escape; you must also complete mandatory and deadly operational tasks deep within the facility. Try to e… If you enjoyed this game, see our list of games similar to DRYN: Don't Reveal Your Next.

Prichal is a psychological horror game with co-op support for up to 4 players. As a Synchronizer Agent, you will venture into distorted locations trapped within a time loop. Your mission is to uncover the cause of these temporal rifts and eliminate them—all while evading the Spawns of Dissonance. If you enjoyed this game, see our list of games similar to PRICHAL.

Fight for your life in Obscurity: Unknown Threat. A sandbox shooter environment where immersive gun play, gore mechanics and player skill dictate the outcome of a battle. Complete single player missions, cooperative scenarios or online battles with full bot support across all modes. Survive The Obscurity The Obscurity are relentless, nimble and stealthy with access to various unique technologi… If you enjoyed this game, see our list of games similar to Obscurity: Unknown Threat.

This game is a psychological horror experience played from a first-person perspective, supporting 1 to 4 players in online co-op. Players awaken in an unknown underground research facility with no memory and must work together to escape this sealed system. A dangerous entity roams the facility, capable of detecting players through sound and movement. There is no direct way to fight it; however, i… If you enjoyed this game, see our list of games similar to Virulent.

36%Game Brain Score

Most mentioned negative aspects:stability, music

50% User Score Based on 22 reviews

Dreamlocked is a 3D psychological horror game where you and up to three others descend into surreal, procedurally generated dream layers filled with fear, puzzles, and unknown entities. Each session features randomized objectives, unpredictable monster behaviors, and unsettling environments that evolve as you progress. Features include: Procedurally generated levels with recurring and random th… If you enjoyed this game, see our list of games similar to Dreamlocked.

Blessed Curse is a 4-player, online co-op, psychological horror game. Take on a rumor you've received of a haunted location in Japan. At the scene utilize your entity-hunting equipment to gather evidence and figure out what might be residing there. If you enjoyed this game, see our list of games similar to Blessed Curse.

16%Game Brain Score

Most mentioned positive aspects:gameplay

27% User Score Based on 11 reviews

Wicked Dolls is an online co-op psychological horror game for up to 4 people. You and your partners must carefully analyze, using various items, which are the weaknesses of each evil spirit that possesses the dolls and use that to your advantage. Investigate all clues and strategize to create the right trap. The ritual must not fail. Your life is at risk!Dynamic gaming experience: - 1 to 4 players… If you enjoyed this game, see our list of games similar to Wicked Dolls.

MIRROR SPIRITS., is a co-op story-based thriller game that can be played with 2-4 people. Do your best to clean the house connecting to the parallel universe. Escape. Attack. Clean the house before you die. Subject - Brief Summary Some people living in the same neighborhood receive a dinner invitation message on their phone. When they go to the invited house, they cannot find anyone and the curi… If you enjoyed this game, see our list of games similar to Mirror Spirits.

47%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

80% User Score Based on 10 reviews

You and Up-to 7 Friends Take On Round After Round Of Zombies. How Long Can You Survive? Single-Player, Lan and online. If you enjoyed this game, see our list of games similar to Mythic Zombies.

93%Game Brain Score

Most mentioned positive aspects:story, graphics

Most mentioned negative aspects:stability, grinding

93% User Score Based on 72,685 reviews

Dive into uncharted waters in Subnautica 2, the hotly-anticipated sequel to Subnautica and Subnautica: Below Zero. Adventure alone or with friends as you try to survive on an all-new mysterious alien planet. If you enjoyed this game, see our list of games similar to Subnautica 2.

88%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:optimization, stability

88% User Score Based on 402 reviews

the cabin gameYou are trapped inside this cabin and the only escape is through a game of cards! Use the hands you're dealt to unlock clues hidden throughout the cabin to find the exit. Just beware as the cards you play can alter the cabin around you and have environmental consequences... Key FeaturesPlay alone or play with friends Work together because your lives depend on it! Whether you ca… If you enjoyed this game, see our list of games similar to the cabin game.

--- Short Description Early Access — A solo-developed 5v5 futsal game with retro style, power-ups, and chaotic FFA modes. No rules. No refs. Just goals. --- About This Game Early Access — Solo Dev Project Five Feet is being built by one person. This means updates come when they're ready, but it also means your feedback directly shapes the game. Expect rough edges, but also ex… If you enjoyed this game, see our list of games similar to Five Feet.

86%Game Brain Score

Most mentioned positive aspects:gameplay, atmosphere

Most mentioned negative aspects:optimization, music

86% User Score Based on 426 reviews

What is CRYO?CRYO is a 1–4 player cooperative survival horror game set across isolated facilities in the frozen wastes of Antarctica. You and your team are technicians working on behalf of ANGENEX, a powerful genetics corporation with research sites scattered throughout the Antarctic Circle. Your assignments sound simple enough. Restore communications. Repair critical systems. Recover valuable … If you enjoyed this game, see our list of games similar to CRYO.

89%Game Brain Score

Most mentioned positive aspects:humor, gameplay

Most mentioned negative aspects:story, optimization

89% User Score Based on 16,394 reviews

Step into a high-stakes bar: Deception and survival are the only ways to win! If you enjoyed this game, see our list of games similar to Liar's Bar.

89%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:story, stability

89% User Score Based on 401 reviews

JOIN THE DISCORD About the GameAs a gifted member of Paranormal Property Solutions (P.P.S.), you will tackle requests from troubled clients and exorcise the evil spirits haunting their discounted property. Exercise caution as you help clients sell their house ghost-free and secure your well-earned share! FACE THE UNKNOWNNavigate through the diverse range of supernatural phenomena that’s plummet… If you enjoyed this game, see our list of games similar to Project Unknown.

74%Game Brain Score

Most mentioned positive aspects:graphics, gameplay

Most mentioned negative aspects:stability, story

74% User Score Based on 1,170 reviews

A multiplayer horror experience set in an SCP Foundation facility during a containment breach. Players take on different roles such as Class-D personnel, scientists, guards, or SCP entities, navigating procedurally generated environments while surviving threats and interacting with others. If you enjoyed this game, see our list of games similar to SCP: Containment Breach 2.

80%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:graphics, monetization

80% User Score Based on 444 reviews

Prepare to unravel the mysteries of The Anomaly Project! CAN YOU AND YOUR TEAM FIGURE OUT WHATS OUT OF THE ORDINARY? SMii7Y • VanossGaming • KYRSP33DY • Forsen • Yogscast • H2ODelirious • Terroriser • Nogla • BasicallyIDoWork • Lui Calibe • 8-BitRyan • CaRtOoNz • TheDeluxe4 • Elraenn • SideArms4Reason • ChilledChaosGAME • Hat Films • Kilira Cooper • Nino MssClick • luthfi halimawan • Jeni… If you enjoyed this game, see our list of games similar to The Anomaly Project.

97%Game Brain Score

Most mentioned positive aspects:humor, gameplay

Most mentioned negative aspects:grinding, stability

97% User Score Based on 174,642 reviews

R.E.P.O. (Retrieve, Extract and Profit Operation) is an online cooperative survival horror game for up to six players, developed by Swedish studio Semiwork using the Unity engine. Players are tasked with locating valuable physics-based objects within procedurally generated environments and carefully transporting them to extraction points without damaging them, all while avoiding hostile creatures.… If you enjoyed this game, see our list of games similar to R.E.P.O..

59%Game Brain Score

Most mentioned positive aspects:gameplay, music

Most mentioned negative aspects:grinding

85% User Score Based on 20 reviews

LONG LIVE THE GLORIOUS NATION OF BELEGOVSKAYes Comrade is a 1 - 4 player cooperative survival sandbox where you and your fellow Comrades are re-assigned to a remote sea outpost. Guard the great Belegovskain coastline, process the ships, keep the Supreme Leader happy, and try not to think too hard about what happens on the island… CONSCRIPTED "VOLUNTEERS!" Congratulations, Comrade! Yo… If you enjoyed this game, see our list of games similar to Yes Comrade.

76%Game Brain Score

Most mentioned positive aspects:atmosphere, graphics

Most mentioned negative aspects:gameplay, stability

76% User Score Based on 234 reviews

Abnormality is a realistic co-op ghost-hunting horror game where you investigate locations, gather evidence, identify the ghost, and survive the hunt. Unlike slower ghost-hunting games, Abnormality lets you actually sprint, allowing for real chases where movement, awareness, and quick decisions matter. When darkness takes over, night vision becomes your last resort. INVESTIGATIONA c… If you enjoyed this game, see our list of games similar to Abnormality.

95%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:stability, grinding

95% User Score Based on 7,032 reviews

Species: Unknown is a first-person survival horror game, playable in co-op with up to 4 players (private or public servers) or solo. You play as a mercenary sent aboard an abandoned spaceship. Your job? Execute high-risk contracts, make it out alive, and claim your reward. But keep in mind that you’re not alone. Something is hunting you… Form a squad of up to 4 players to take on different contrac… If you enjoyed this game, see our list of games similar to Species: Unknown.

54%Game Brain Score

Most mentioned positive aspects:atmosphere, humor

Most mentioned negative aspects:story, gameplay

54% User Score Based on 154 reviews

Checkout our other games About the GameJoin the fun in this brand new Multiplayer Horror Game! WELCOME TO THE H.I.A: HORROR INVESTIGATION AGENCYThe H.I.A. is a fun multiplayer horror game in which you and co-players have to investigate horror cases. Among finding victims and evidence of the horror event that has taken place, you will be faced with jumpscares and scary monsters along your… If you enjoyed this game, see our list of games similar to H.I.A: Horror Investigation Agency.

58%Game Brain Score

Most mentioned positive aspects:graphics, story

Most mentioned negative aspects:optimization, stability

58% User Score Based on 464 reviews

Contain is a first-person cooperative tactical shooter with in-depth character and gun customization. Contain requires calculated teamwork, Practice your tactics and test your equipment before the mission. If you enjoyed this game, see our list of games similar to Contain.

85%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

85% User Score Based on 408 reviews

Play as a paranormal investigator in our hybrid between first person survival and psychological horror game. Investigate a haunted forest with up to 5 players CO-OP vs AI and try to lift the curse. The forest is active... time may run out. Will you survive or will you lose your soul? If you enjoyed this game, see our list of games similar to The Devourer: Hunted Souls.

50%Game Brain Score

Most mentioned positive aspects:gameplay, humor

Most mentioned negative aspects:grinding, monetization

55% User Score Based on 42 reviews

From Fear is a 1-4 player survival horror where you choose your fear. In this post-apocalyptic world, you must scavenge to survive with your deepest fear lurking in the shadows. Do not believe everything you see. If you enjoyed this game, see our list of games similar to FROM FEAR.

80%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:optimization, stability

84% User Score Based on 4,664 reviews

Critic Score 60%Based on 1 reviews

The co-op survival FPS and spiritual successor to the award-winning occult horror, Maid of Sker. Play solo or up to 4 players to survive the supernatural onslaught of the Quiet Ones. If you enjoyed this game, see our list of games similar to Sker Ritual.

49%Game Brain Score

Most mentioned positive aspects:humor

Most mentioned negative aspects:gameplay, music

61% User Score Based on 31 reviews

Horrors of Space is a 4-player co-op survival horror game. You and 3 other crew members awaken from cryo sleep to find the Aries in a state of emergency, invaded by an alien creature. It’s up to you and your teammates to work together to get out alive. If you enjoyed this game, see our list of games similar to Horrors of Space.

74%Game Brain Score

Most mentioned positive aspects:story, gameplay

Most mentioned negative aspects:grinding, stability

77% User Score Based on 2,108 reviews

Critic Score 72%Based on 15 reviews

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. If you enjoyed this game, see our list of games similar to The Blackout Club.

37%Game Brain Score

Most mentioned positive aspects:graphics

Most mentioned negative aspects:story, gameplay

35% User Score Based on 55 reviews

Critic Score 50%Based on 1 reviews

Everything is for Humanity is a story-driven, exploration and puzzle-solving based science fiction horror game which sets in a massive science facility in 2020. You will discover tons of things and find out about the blood-chilling truths with its first-person experience. If you enjoyed this game, see our list of games similar to Everything Is For Humanity.

81%Game Brain Score

Most mentioned positive aspects:gameplay, graphics

Most mentioned negative aspects:stability

83% User Score Based on 48 reviews

Phylakterion is a 1-4 player online co-op horror game. You and your friends will enter different locations in search of a possessed vessel. Search, Identify, and Destroy the vessel and the entity inhabiting it – and be quick, or the entity will find you first! If you enjoyed this game, see our list of games similar to Phylakterion.

86%Game Brain Score

Most mentioned positive aspects:gameplay, story

Most mentioned negative aspects:graphics, stability

86% User Score Based on 512 reviews

Remnant Records is a horror investigation game for 1 to 4 players. As the newest recruit of an agency that deals with spirits trapped in the mortal world, explore places haunted by the dead to find clues that will help you reconstruct the tragedies that happened there and free their souls. If you enjoyed this game, see our list of games similar to Remnant Records.

Paranormal Events is an online co‑op paranormal horror game supporting up to four players. Hauntings are spreading across various locations. As a team of professional paranormal investigators, you must venture into sites plagued by supernatural forces and uncover the truth behind these eerie occurrences. Core Gameplay Enter haunted locations with your team. Deploy a full set of ghost‑hunting to… If you enjoyed this game, see our list of games similar to Paranormal Events.

《Danmaku Fighters》is a new feeling, fast-paced 2D bullet-hell fighting game. Choose your favorite character, and fight against other players in online play! If you enjoyed this game, see our list of games similar to Danmaku Fighters.

MAINTAINER is a 4-player asymmetric co-op survival horror game where one player becomes the traitor. Keep the lighthouse running, complete objectives, and survive relentless hunts as the traitor grows stronger throughout the match. If you enjoyed this game, see our list of games similar to MAINTAINER.

Pada Pada Extraction Team is an online cooperative horror adventure game that supports multiple players. Players will explore randomly generated, bizarre dungeons. On your journey, you'll encounter various creatures, many of which are dangerous. Use different tools to deal with them—or stay far away. Inside the dungeon, players can find many items that are highly valuable and possess various … If you enjoyed this game, see our list of games similar to Pada Pada Extraction Team.

HAZE TOGETHER is a 1-4 player psychological survival horror game set in the heart of claustrophobic mining tunnels, rusty industrial facilities, and dangerous sectors. Work together with your friends to escape the darkness trying to consume you and the unknown threats lurking in the depths. Remember: you are never alone in the depths of the tunnels. 1-4 Player Psychological Co-Op ExperienceTeam u… If you enjoyed this game, see our list of games similar to Haze Together.

M.E.G Operative ExperienceYou play as a field operative working for M.E.G. (Major Explorer Group). Your mission is to explore the Backrooms from a central base of operations. This base can be expanded and improved over time, unlocking upgrades, new systems, and purchasable equipment that enhance your survival and exploration capabilities. Cooperative Exploration (Up to 4 Players)You can e… If you enjoyed this game, see our list of games similar to Backrooms: Research.

A co-op horror game for up to 4 players where you explore Backrooms-inspired levels, solve puzzles, find exits, and survive entities with different rules. If you enjoyed this game, see our list of games similar to Liminal Backrooms.

Hunt Asylum Together is a 1-4 player co-op horror action game. Use your radar to find hidden cursed books inside an abandoned asylum, fight terrifying enemies with weapons and melee attacks, and work together to break the curse. But be careful — the past is still alive inside these walls. If you enjoyed this game, see our list of games similar to Hunt Asylum Together.

Redemption: The Sin Eternal is a dark psychological horror game about guilt, possession, and a priest trapped inside the sins of his past. You play as Father Lucian Vale, a Catholic priest drawn into a cursed orphanage where the line between confession, punishment, and damnation begins to disappear. As the night unfolds, Lucian is forced to explore haunted rooms, abandoned halls, and twisted … If you enjoyed this game, see our list of games similar to Redemption: The Sin Eternal.

Subsurface is a 1–4 player online co-op underwater horror game where players dive into abandoned underwater facilities to recover valuable scrap, meet demanding quotas, and survive terrifying creatures lurking in the depths. Explore, scavenge, and escape together—but beware, not everyone makes it back to the surface. If you enjoyed this game, see our list of games similar to Subsurface.

Hardcore Extraction Horror for 1–4 PlayersYou were sent on a routine repair mission. You were supposed to go in. Fix it. Get out. The entrance collapses behind you. Comms go dark. The lights flicker out. And something in the facility is just waking up. About the GameA co-op extraction horror for up to 4 players. Explore the mysterious underground facility of the Zenith Corporation—a site for exp… If you enjoyed this game, see our list of games similar to Deep Anomaly.

Grandpa's Food Window - An Horror Cooking Experience Grandpa is missing, i have to takeover his Job till he comes back. I never thought working alone in a kitchen, could be that creepy... ! Note: This is just a little part of the full game called: Late Night Fears. Play the full Demo experience on Steam: Late Night Fears featuring: Episode 1 (The Tape), Episode 2 (Coldcreek), Bonus 1 (Bus… If you enjoyed this game, see our list of games similar to Late Night Fears.

The Reflection is a ritual-based co-op horror game where players attempt to exorcise a demonic entity while being relentlessly hunted. Investigate cursed locations, perform the correct rituals, stay silent, and work together under pressure — one mistake can mean certain death. If you enjoyed this game, see our list of games similar to The Reflection.

Embark on a journey through The Elevator. This is not a simple trip to the top. Each stop will open your eyes to the mysteries of the Elevator. What floor will you stop on? Will you escape? The Elevator decides your fate now!!! From the makers of Elevator: Source comes Elevator, the sequel. Demo TeaserThe teaser demo is about 30-50 minutes of gameplay and shows the potential of Elevator. Th… If you enjoyed this game, see our list of games similar to Elevator.