Investigate haunted locations solo or with up to 4 players. Gather evidence, identify the entity, and survive deadly paranormal encounters before eliminating the ghost and escaping alive.
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No game lists S.I.N. Unit: Ghost Investigation & Removal as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Escape a shifting maze alone or in 2–4 player online co-op. Recover real signals, avoid decoys, and repair your route out while distinct hunters close in. Answer the Barber's phone, keep the watched hunter in sight, and make it to the exit.
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4-player online co-op horror game set in procedurally generated abandoned mines. Investigate, restore power, and survive as you face a monster with unique forms, using equipment to complete objectives and refine your strategy.
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Phylakterion is a 1-4 player online co-op horror game in which you’ll enter different locations in search of a possessed vessel. Search, Identify, and Destroy the vessel and the entity inhabiting it – before the entity finds YOU!
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Entity Research Group — a cooperative first-person horror game where you become part of a special unit investigating highly dangerous anomalous entities. Collect evidence and samples, complete technical objectives, and survive within the ever-changing Backrooms clusters.
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Inside the Backrooms is a horror multiplayer game mixed with different mechanics that will make you spend an intense night with friends. Explore, think, interact, but be careful, it is rumored that there are several entities wishing to find you...
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This is a Ghost is an FPS psychological horror and investigation game for 1 to 4 players. Track down supernatural activity, identify demonic entities using specialised equipment, and banish them with crafted ammunition in solo or online co-op!
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Co-op first-person horror for 1–4 players. You and your friends are trapped in endless liminal backrooms where nothing makes sense. Explore, find keys and almond water, and work together to evade unstoppable monsters and escape.
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Liturge is a cooperative investigative horror game for 1-4 players. A team of LRI Operators investigates haunted locations, gathers paranormal evidence, and identifies the entity responsible for the activity.
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DEVOSE is a cooperative horror game for 1 to 4 players. Explore, find proofs and survive. Every corridor is a trap. Every noise can betray you. Coordinate or die alone.
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The Backrooms - Nightmare Dimension is a Co-op online horror game with up to 4 players, where you and your friends take on the roles of soldiers who are part of the SCP Foundation with the mission to eliminate the mysterious entities found in the infamous place called "the Backrooms".
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