Online co-op Atmospheric games

Every online co-op Atmospheric game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 231–240 of 1,045 games matching Atmospheric · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players

Co-op or solo sci-fi horror. Purge a biological outbreak with flamethrowers & grenades. Explore infested zones, grab keycards & stuff, then trigger the protocol to burn the Mother Organism. Team up. Erase the threat

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Free
Released
Price
Free
Players
👥 Up to 2 players
Reviews
89% of 132

🐸Free-To-Play🐸 Stop following someone else's route. Create your own way to the top by building your own path 🐸 Frog Climb is a stylized co-op climbing adventure where you must escape from terrariums 🐸 Level up, gain powerful upgrades, and prove that no wall is too high for a frog with a plan 🐸

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$$
Released
Price
$$ · Standard
Players
👥 Up to 20 players

Idle survivor meets shared world. Your Hold produces resources 24/7. Your expeditions push back a fracturing reality. 25 regions. 8,000 zones. One world. Every player matters. Success and failure is shared by your entire region.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
64% of 14

Welcome to Acatalepsy, a new take on the liminal space experience. Progress deeper into varying liminal spaces with your team. Complete various tasks to continue forward, dive deeper, and don't expect to survive for long. You aren't alone in these spaces; nowhere is safe.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated

Become the plague in an asymmetrical player verses simulation battle for immortality. Infect populations, collapse economies, and harvest the dead to fuel your path to lichhood; only if you can conquer an adaptive world fighting to survive.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
75% of 639

Backrooms Lost Runners is a co-op survival horror with team play, voice-reactive AI, and immersive puzzles. This isn’t a “walking simulator”: explore liminal spaces, outsmart entities, and remember—even a whisper can give you away.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
68% of 12,072

Gloria Victis is an MMORPG with an emphasis on realism, set in a low-fantasy medieval open world. Enjoy MMO with skill-based non-target combat, open PVP with territory control, deep crafting system and player-driven economy – all that served with beautiful graphics and an immersive atmosphere.

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$
Released
Price
$ · Cheap
Players
👥 1–8 players
Reviews
70% of 113

A chaotic co-op survival game for 1–8 players where you travel the trail, manage supplies, survive disasters, and argue with friends. Work together to keep the wagon moving, adapt to random events, and try to make it to the end in one piece.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
49% of 69

Don’t Panic Together is an online co-op psychological horror game with a microphone detection system. Players explore dark forest locations, collect important items, and complete objectives together. But panic, screams, and loud noises can quickly lead to death.

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