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 771–780 of 1,518 games matching Action-Adventure, newest first · updated 14 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
33% of 3

I Want To Go Home is a first-person cleaning simulator game with a horror twist. Clean the restaurant and survive to earn money and unlock characters. Play solo or with up to 3 friends and experience the story that unfolds. All content updates will be free!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
66% of 6

Unhuman Nightmare is a 4 player online co-op game where a team of thieves want to steal items from haunted places. What they don't know is that the places are full of traps set by ghosts. Chances are, they'll not escape alive...

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
56% of 30

Landfall is a thrilling low-poly co-op dungeon crawler and extraction game. Build and upgrade your base, trade with vendors, and team up to explore diverse maps, complete quests, gather loot, and defeat bosses. Gear up, survive, and thrive together in this unique low-poly PvE adventure.

Free
Released
Price
Free
Players
👥 Up to 4 players
Reviews
56% of 16

Something's Out There is a micro-horror creature hunting game, featuring multiple unique creatures across multiple maps. Hunters work together using the tools provided at base or found around the map to track down, hunt, and ultimately kill the creature of which only stories claim exist.

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Deadzone Blackout

Crossplay
Free
Released
Price
Free
Players
👥 Up to 100 players
Reviews
73% of 19

Deadzone Blackout, the First Game from Mozambique on Steam! Face up to 100 Players, Communicate via VOIP and Activate Your Protection Wall to Dominate the Battlefield. Get Ready for This Intense Shooter Game.

−75%
$$
Released
Price
$$ · Standard · On sale −75% until 17 Oct
Players
👥 Not stated
Reviews
66% of 18

Skeletal mischief reigns as the Skulltide begins! Join the undead in co-op adventures as the skeleton of your dreams, or lead them yourself, and hunt down the necromancers who reanimated you. Build, throw, and enchant your bones... but try not to misplace them along the way!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 5 players
Reviews
66% of 6

Enter the ever-changing world of Shadows Are Alive! Team up, channel epic alter-egos, and outwit "The Shift" in a series of shape-shifting maps. Relentless suspense, vibrant visuals, and unmatched strategy. Can you escape the Shift, or will you fall to his wrath?

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
20% of 5

Backrooms: The Hunt - This is a simple online first-person shooter... Just have fun with your friends or enemies... It's a very simple, primitive and casual game, play and have fun, The presence of primitive bots in the game

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–5 players
Reviews
7% of 41

CornField is a cooperative first-person horror game for 1-5 players. Collect all the necessary items and escape the cornfield! Run, scream, hide, but most importantly don't get caught! You will be chased by a scary monster that hears your voice from your mic and is definitely trying to kill you!

If you loved these, you'll love this