Explore a dark, dangerous scientific facility with three friends… or enemies. What Lurks Inside is a co-op (or singleplayer) horror game with strategic, roleplaying, and survival elements. Will you escape the laboratory with your teammates, or slay your friends as the monster?
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No game lists What Lurks Inside as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
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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Backrooms: The Phobolore is a cooperative multiplayer online horror game for 1-4 players. In this game you will take control of a character who woke up in an unknown place and does not remember anything, your task will be to pass the game levels trying to remember who you are...
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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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ShutterOut is a 1-4 player co-op horror game where all kinds of threats await. Record as much as you can, and make it out alive!
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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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A multiplayer horror where you escape a laboratory at the cost of others.
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HUSHED is a 1–4 player online co-op horror game where your team is split by different senses, tied together by a rope, and hunted by a monster that hears your voice. Work together, guide each other, and escape before it catches you.
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Team up in a chilling co-op experience, delving into procedurally generated backroom style buildings. Survive together or succumb into the Echoes.
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A 1–6 player co-op survival logistics game where a routine delivery traps your crew inside the Backrooms. Scavenge, recycle, deliver cargo, manage a shared budget, and survive 49 days to earn your freedom.
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Fell out of the sky onto a rooftop. No idea why. The building goes down and it doesn't stop. Something's always watching, there's a mouth on the roof, and nothing makes sense. Figure it out alone or bring friends if you want but they're gonna die too. Good luck
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