Online co-op Atmospheric games

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

Showing 581–590 of 1,548 games matching Atmospheric, newest first · updated 13 Oct 2026

Filters: Atmospheric × Clear all
Filter by tag, price, players or reviews
$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
14% of 7

Backrooms: The Others is a cooperative horror game for up to 4 players where you will be forced to explore these unknown nooks and crannies, trying to survive in this complex world where death can be waiting for you at every turn!

If you loved these, you'll love this

Inout

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
67% of 185

INOUT is a cooperative horror game for 1-4 players. For years, the locals have been afraid of an old mansion in Madyland. A possessed maniac and an ancient evil have settled here. Become a member of a team of exorcists and expel the evil force!

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 1–4 players
Reviews
74% of 66

A wave-based FPS for 1–4 players, made with passion by one dude! Pick your load out, mow down hordes, Roast Mr Hotdog and earn cash. Spin Vegas-style slots (random box) between waves for upgrades, compete for the best score, and see if your luck (and skill) can keep you standing. Can you survive?

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
79% of 4,150

Survive the chaos of SCP Foundation! Step into a thrilling SCP horror experience with story-driven co-op, intense PvP Breach mode, and randomized maps. Play as Class-D, scientist, SCPs, and more, each role bringing unique challenges in an unpredictable, immersive facility.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
0% of 1

Sanitism: A rare mental illness with an unknown origin that causes its victims to lose their rationality and empathy, leading to uncontrollable, violent behavior. The disease induces a state of severe aggression, prompting individuals to attack anyone in their vicinity.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
94% of 18

Battle against your friends in a crazy Russian roulette. Blanks or live ammunition? Fate decides. Proximity Voice Chat, Gestures, Unique Items & High Stakes. Ready to take a risk?

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
60% of 5

Step into the haunting world of Stranded Souls, A co-op horror game designed to challenge your wits and test your courage, this game lets you gather up to 4 players to face the unknown, unravel mysteries, and survive the horrors that lie ahead.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 3–6 players
Reviews
100% of 2

Triumvirate is a fast-paced 3-6 player cooperative city-management strategy game. Work together to meet the demands of a rapidly growing metropolis to avoid the inevitability of overextension.

If you loved these, you'll love this