Nitrogen Narcosis is a thalassophobes deep diving nightmare, set in sinking and sunk abandoned facilities. You and up to 7 other employees wearing the cheapest deep-dive suit money can buy are sent in to recover old materials from these facilities and return it to your captains submarine!
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No game lists Nitrogen Narcosis as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Subsurface is a 1–4 player co-op underwater horror game. Explore abandoned facilities, scavenge valuable loot, and survive eight terrifying monsters while racing against your oxygen supply. Meet your quota, escape the depths, and try not to leave your friends behind.
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Ominous is a thriller/horror game for up to 4 players. In this game, you must collaborate with your teammates to face a creature within an indoor setting. What sets Ominous apart is its unique approach to multiplayer, offering a distinct experience compared to many other horror games available.
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A 1-4 player co-op horror experience. Navigate hyper-realistic Backrooms levels and liminal spaces, survive unique entities, and uncover the dark mystery behind those levels. Extreme visual fidelity meets psychological dread.
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Breaking the Grip is a multiplayer horror and strategy game. As a survivor, complete a ritual to eliminate the spirit before it drives you insane. As the spirit, spread terror and break their will. Who will prevail between life and the beyond?
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A 1-4 player CO-OP horror game, a nightmare from hell, it is your objective to hunt down a sinister demon known as Mothman. Underequipped you must search the landscape for resources. Lay bear traps, stalk from a distance, and stay quiet. You came to hunt, only to be hunted.
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From the developers of ZdvihniTo - You are part of an unofficial emergency response team sent to contain bizarre incidents across four locations, each haunted by twisted versions of popular Slovak YouTubers. Complete your objectives and survive the chaos.
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A cooperative horror game where you must work to maintain a base to keep monsters from getting in.
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Deja Vu portrays The Backrooms as a manifestation of mental illness. Join forces with up to four friends and endeavor to escape the confines of both your own mind and the mundane existence that led you here.
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Forgotten seals are breaking and ancient demons awaken. Face cursed lost places alone or with up to four players, find the crypt, survive the hunt, and complete the ritual to banish the evil back to hell once and for all.
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The Beast Within is a cooperative horror escape game. You are an agent dispatched to a sealed research facility where CGI Corporation once conducted unethical experiments.
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