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 371–380 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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Dreadway

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
67% of 101

A co-op extraction horror for 1-4 players where you survive nuclear wastelands on a train. Scavenge scrap for fuel and supplies, and use voice mechanics to stay alive.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 5 players
Reviews
63% of 631

The Gold River Project™ is a camping trip gone wrong in the Pacific Northwest. Explore, craft, build, and survive in this open-world experiment that traps you and up to 4 friends in this single player or co-op survival adventure game.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
60% of 48

PlaneShift is a Role Playing Game immersed into a 3D virtual fantasy world! A medieval world, with many cities to explore, monsters to fight, weapons and equipment to find and craft. A skill based progression system, magic and many quests.

The Krampus Game

Crossplay
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
0% of 1

The Krampus Game is a chaotic, scary-fun multiplayer adventure where ancient winter folklore turns into wild holiday mayhem. Inspired by real Krampus and Nikolaus parades, this game brings the tradition to life — but with more monsters, more laughs, and a whole lot more chaos.

If you loved these, you'll love this

Salmon Man

Crossplay
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 14

Salmon Man is a unique VR platformer where armed with nothing but a paddle, you will climb upstream and explore a beautiful, absurd world filled with humor, physics-based challenges, and rage-inducing obstacles. Now with multiplayer!

If you loved these, you'll love this

−95%
$$$
Released
Price
$$$ · Expensive · On sale −95% until 24 Oct
Players
👥 Up to 12 players
Reviews
21% of 41

World's first life-size 1:1 replica of Everest in a game — now with online climbing. Join up to 12 real climbers on the same route and talk over the radio. Everest is a lifelong dream, but also the world's most dangerous and costly challenge. Live it without risking your life or breaking the bank!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
53% of 13

The Empty Halls is a VHS analog horror exploration game inspired by the idea of liminal spaces. Explore eerie Backrooms-style environments, record strange anomalies with your VHS camera, and complete missions assigned by the anonymous higher ups.

If you loved these, you'll love this

Scrap Daddies

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
33% of 6

Scrap Daddies is a slapstick co-op looter for 1–6 friends where teamwork keeps you alive and we promise not to jump scare you. Explore flooded bases, recover power cells, and haul scrap back to upgrade your gear in a world lost to the sea.

If you loved these, you'll love this