What'Sub is a 4-player co-op submarine extraction game where you pilot a rust-bucket submarine into the depths of the Bermuda Triangle to recover treasure from the ocean’s seafloor. Gear up, descent, risk everything to bring your haul back to the surface, then dive again to ever deeper levels.
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No game lists What'Sub as one of its co-op favourites yet, so here are the closest matches by Steam tags instead.
Pilgor's baaack! Gather your herd and venture forth into Goat Simulator 3; an all-new (at least on Steam), totally realistic, sandbox farmyard experience. Invite up to three friends in local or online co-op, create carnage as a team, or compete in mini-games and then not be friends anymore.
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Die on the job. Hijack facility security. Save or sabotage your surviving crew while they steal the data and race the last train home. Corporate co-op horror for 1 to 4 expendable robots.
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PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?
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Wreck Below is an underwater horror game where you dismantle wrecks and avoid the unseen threat of The Arbiter.
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How long can you survive in a Society?
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Put on your thermos bags and head outside with your friends. You will have to deliver food to the aliens and make sure that the last company on Earth does not close down.
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Dig, build rails, and survive underground as a Goblin miner for WHAAG MINING INC. Light your path or the darkness will drain your life. Explore fully destructible biomes, fight hostile creatures, and hunt the legendary Giant Crystal, solo or online co-op
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Subnautica 2 is an underwater survival adventure set on an all-new alien world, developed by Unknown Worlds. Play alone or with friends in 4-player co-op. Adapt to survive by building custom bases and crafting tools. Explore the unknown to uncover the mysteries hidden within the depths.
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CUBE - Survive deadly trials, earn upgrades, and compete for the title of True Subject in this 1-6 player co-op party horror game where cooperation is required, but only one player can come out on top.
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River Runners is a cooperative multiplayer adventure where you and your friends navigate a dangerous, unpredictable river. Clear communication and teamwork are essential to steer the raft, overcome hidden challenges, and survive the journey to the end.
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