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Similar to Decontamination Protocol — based on shared gameplay and genres, popularity and reviews. The original game is excluded from the results. Remove comparison
The first 500 games were considered for comparison of 1,035 initial matches. Similar games among them: 330. Refine the filters to narrow the selection.
“High Pay, Simple Work, Room and Board Provided.” Trapped in an isolated room, monitor hotel CCTV and report anomalies. As the days repeat, strange events and memories of the past begin to connect. Follow the hotel's manual. It may be your only guide to survival.
Shared features: Immersive sim, Horror, Mystery
DERAIL is a horror anomaly game where instead of spotting anomalies you have to cleanse them with you holy camera to escape the loop.
Shared features: Immersive sim, Horror, Mystery
Dark Trip is a gothic horror escape room where you use wicked biomachinery, strange art and your own hallucinations to solve the mystery of an eerie crime. Explore strange rooms, inspect occult locations and laboratory machines, reveal hidden clues through altered visions. Play flat or in VR.
Shared features: Immersive sim, Horror, Mystery
Your new duty is to inspect properties before move-in. It does not matter what waits inside — all responsibility will rest on your shoulders alone. Do the job well, and there is a good chance this inspection will not be your last...
Shared features: Immersive sim, Horror, Mystery
You work as a moderator for a strange camera website called L!nk Cameras. Watch live feeds, approve or reject cameras, follow the admin’s instructions, and uncover what hides behind each connection.
Shared features: Immersive sim, Horror, Mystery
Night Plane is a job-sim horror game where you work as a flight attendant on a doomed plane. Check tickets, serve passengers, and decide who stays onboard as demons hide among innocent souls. Naturally, management says it’s your problem.
Shared features: Immersive sim, Horror, Mystery
a Train has been infected with mysterious anomalies. G.O.A.B has secretly hired you to inspect the train. It's your job to find the anomalies and terminate them.
Shared features: Immersive sim, Horror, Mystery
All you have to do is count the differences and choose an exit. Easy right? Yet strange things start happening as soon as you sign the job contract… It's up to you to uncover what is happening at Turning Manor.
Shared features: Immersive sim, Horror, Mystery
Trapped within Astor Manor, you have 72 hours to escape with your life. Solve challenging puzzles by day, endure deadly supernatural assaults by night, and uncover the truth behind the curse threatening your survival.
Shared features: Immersive sim, Horror, Mystery
"Descend into liminal space—evade lurking horrors, solve cryptic puzzles, and use your camera to preserve the memories you leave behind in this eerie world. Switch to night vision to uncover hidden clues and trace what's amiss. This first-person indie horror will keep you guessing at every turn."
Shared features: Immersive sim, Horror, Mystery
a psychological horror game in the style of the PS1 era, centered around a secret investigation, rituals, and the mysterious “Lists.” Explore dark locations, search for clues, solve puzzles, and avoid deadly traps. Fixed camera angles, retro graphics, and limited saves.
Shared features: Immersive sim, Horror, Mystery
A first-person psychological mystery set in a liminal space that should not exist.
Shared features: Immersive sim, Horror, Mystery
You are trapped inside an endless house shaped by memory and guilt. Use mysterious masks to reveal hidden layers of reality, identify anomalies and escape a psychological time loop.
Shared features: Immersive sim, Horror, Mystery
You are on the night shift at a desolate robot logistics facility. Prepare orders, pack them, and deliver them. The routine appears simple, yet every night something shifts a little more out of place. Ten nights. Two endings. Free demo: the first 3 nights.
Shared features: Dystopian, Horror, Mystery
Tokyo Horror is a J-horror RPG where events unfold in real-time. Survive eight hours in a city where every choice you make impacts the world around you. How many deaths will you be responsible for tonight?
Shared features: Immersive sim, Dystopian, Horror
The prologue to Agent of Strange — a dark role-playing thriller where every mission is a labyrinth of choices and possibilities. Start your path as a Conspirator in a desperate struggle against the secret occult regime.
Shared features: Immersive sim, Dystopian, Horror
The Ultimate Gore & Terror Experience.Bodycam meets body horror. Explore dark, abandoned, photorealistic environments filled with gore, brutal violence, and terrifying paranormal entities. Find hidden tapes. Uncover bloody tales of horror. Your microphone is listening. Stay quiet. Stay alive
Shared features: Immersive sim, Horror, Mystery
Signal Lost is a time-survival psychological horror game that leaves you stranded inside a collapsing pod. Type critical commands to fight cascading system failures and screaming alarms. Venus is your only hope. Every second counts. Will you complete your journey, or succumb to the void?
Shared features: Immersive sim, Horror, Mystery
1–4 player sci-fi ghost-hunting horror extraction sim with proximity voice chat. Travel across time to extract resources, identify and capture hostile entities as fuel for a supposed future utopia. Speak to entities using your voice, upgrade your prison, craft tools, and meet a rising daily quota.
Shared features: Immersive sim, Horror, Mystery
You are trapped in the observatory of a star-obsessed professor atop Mount Clearveil. Plan your survival during the day, confront the darkness of the basement at night. Can you break the ritual and uncover the mystery?
Shared features: Immersive sim, Horror, Mystery
Anomaly Express is a 1–4 player co-op psychological horror aboard a winter train. Spot anomalies, survive deadly encounters, and uncover the supernatural force behind this endless journey.
Shared features: Immersive sim, Horror, Mystery
Tend a cemetery for the dearly departed in this cozy but macabre decorating game. Fulfill final requests, craft personalized graves, shape the grounds your way, and uncover the mystery of Daisy’s own death.
Shared features: Immersive sim, Horror, Mystery
Pull Me In is a supernatural life simulation where you build a home, form relationships, pursue strange Purposes and survive a town plagued by ghosts, demons, possession and unexplained phenomena. Live an ordinary life in a place where nothing is ordinary.
Shared features: Immersive sim, Horror, Mystery
Dad is acting strange, and maybe you're the only one who noticed. Meet Not My Dad, a first-person psychological horror game where evil may be lurking inside your own home.
Shared features: Immersive sim, Horror, Mystery
Popularity is the total number of Steam reviews, not sales or concurrent players. Activity is the average net daily growth in reviews over the longest stable window of up to 7 days; it requires at least 12 hours of history and data updated within the last 72 hours. It measures discussion volume, not sentiment. Anticipation for upcoming games is measured separately. Missing measurements do not mean a game is unpopular.
