RADIOACTIVE, INC. invites you to the decaying, dangerous halls of a deserted nuclear research complex. Face your fears across 20 unique levels, each filled with new horrors, secrets, and challenges. 1- 4 player
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No game lists RADIOACTIVE INC. as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Escape the Backrooms is a 1-4 player co-op horror exploration game. Traverse 30+ eerie backrooms levels while avoiding entities and other dangers. Try to escape but be warned: survival isn't guaranteed.
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Reports of paranormal activity have been creeping up across the nation. You and your team have been instructed to investigate. Explore and solve puzzles, all whilst avoiding deadly horrors from the Otherplane.
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Co-op horror (1-4 players). You are sent to explore a mysterious building at night. Find the Moon and try to return alive.
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First-person digital escape room set in a fantasy environment for you and up to three of your friends. Explore fantastical items, setups, and puzzles as you dive deeper into the dungeon and claim your rightful inheritance.
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One hears your voice. One only moves when you look away. One doesn't follow rules at all. The playground is open. Bring friends. 1-4 player co-op horror.
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Survive the hunt—find the item and use it before the monsters catch you. Search the darkness, uncover secrets, and face the terrifying truth. 4-player co-op with proximity chat—stick together or be lost to the lurking terror. Your friends are your only lifeline. Will you survive?
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MustScream is an online co-op horror game for 1-4 players that uses mic input. Scream into your mic to run! Push your voice to the limit and make it to the end!
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Share the same body with a friend in Split Brain. One of you controls, the other one sees, but the decisions are made together! Face the illusion and uncover the truth to find your way out of Hexarture.
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Backrooms Media is a 1-4 player co-op horror that plunges you into unsettling, hyper-realistic liminal spaces. Navigate eerie environments filled with lurking horrors. Group up with your friends to face the terror of the endless backrooms together and... try to escape.
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Grab a friend and dive into Cozy Escapes, a chill co-op puzzle adventure. Explore immersive rooms, crack clever puzzles, and enjoy the journey—no rush, just pure fun!
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