Online co-op Action-Adventure games

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

Showing 471–480 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
100% of 16

Manage the shop by day, serving customers and keeping everything afloat, by night fend off hordes of crazed lunatics and handle unexpected challenges that come with being a small business owner. Enjoy a mix of cooking simulations, tower defense, and multiplayer co-op in this unique pizza adventure.

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−40%
$
Released
Price
$ · Cheap · On sale −40% until 19 Oct
Players
👥 Up to 6 players
Reviews
90% of 41

Reopen and restore a Japanese rural Train Station. Repair, upgrade, and bring it back to life. Uncover the station’s hidden stories and team up with friends or solo.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
83% of 6

In the depths of a ruined galaxy, laws no longer exist. You embody a Void Raider, a space marauder with no ties, ready to do anything to get your hands on rare resources and forgotten artifacts.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
31% of 22

The Backrooms: Rescue Expedition is a realistic first-person horror game up to 4 players. You and your team are tasked with saving the lives of the missing expedition unit, Echo-7 North. Ruthless entities and the madness of infinite halls create an atmosphere of relentless terror.

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Exit Zone

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 1–5 players
Reviews
18% of 16

Exit Zone is a multiplayer psychological horror game about anomalies for 1-5 players. Watch your surroundings closely, spot hidden anomalies in looping corridors, and make the right calls—no combat, just observation. One mistake, and you're trapped in the zone forever.

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Subterranauts

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 1–6 players
Reviews
76% of 190

Subterranauts is a 1-6 player multiplayer horror game with proximity voice chat and terrifying creatures. Your job is to complete assignments by gathering scrap for the Association of Scrap Allocation. Work together with your team to complete assignments, earn company Bucks, and survive!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
54% of 11

Inspired by "The Russian Sleep Experiment," this co-op multiplayer horror game challenges players to collect crucial evidence from past experiments. Work together to control the gas, evade the roaming monster, and uncover the terrifying truth.

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