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 781–790 of 1,518 games matching Action-Adventure, newest first · updated 14 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 2–8 players
Reviews
100% of 23

Where is Billy? is a hide-and-seek party game for 2-8 players playable locally and online. Figure out which character you are and blend into the crowd to complete various objectives across multiple game modes. Act natural, avoid detection, and outsmart your opponents!

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Carry The Glass

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
75% of 2,872

Team up as two quirky construction workers in this fun 2-player co-op platformer! Carry a fragile glass window through colorful levels filled with challenges. Communicate and coordinate to dodge obstacles and solve puzzles. Can you finish the job without breaking the glass?

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
33% of 3

This is a cooperative survivor, there are bandits and zombies in the game that will not let you get bored. Complete tasks, build houses, defend yourself! And also do it all with a friend!

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
41% of 24

Immerse yourself in terrifying dreams and unravel mysteries playing alone or with friends. Confront supernatural horrors, survive terrifying enemies, and complete various missions to solve the cases.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
80% of 10

After an accident, your ship crashes on an unknown island, a convergence point between worlds. Explore impossible landscapes, overcome traps and puzzles, recover the lost Loops, and see if you can find the legendary Golden Loop in this 3D platforming narrative adventure.

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Orebound

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
77% of 957

Orebound is a dwarven themed factory automation game. Play alone or with friends as you build, mine, craft and explore a voxel generated world! Build your fortress, expand your factory, fight off creatures who dwell beneath the mountains and embark on a journey of greatness.

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Wild Planet

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
63% of 41

Discover, craft, and survive in Wild Planet's captivating open world. Build bases, explore dungeons, and embark on adventures. Immerse yourself in its relaxing atmosphere and uncover the secrets of this mysterious planet!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
33% of 3

Step right up to the most twisted carnival you’ll ever encounter! In The Carnival Killer, 4 players find themselves trapped in a nightmarish amusement park where laughter turns to terror. Killer Clowns stalk the grounds, hunting down anyone who fails to escape the nightmare.

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Nuclear Nightmare

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
81% of 15,529

Venture forth as part of a specialized team of fellow players tasked with retrieving classified materials, evading the black goo virus, and the nightmarish entities it has spawned. With time running out before the US government initiates a devastating nuclear strike to contain the spreading menace.

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$
Released
Price
$ · Cheap
Players
👥 1–5 players
Reviews
53% of 58

Altarium is a first-person, asymmetric PVP Co-Op horror game that can be played by 1-5 players together. Players can choose to play as either the victim or the evil character. Get ready, choose your role, shape your destiny, and survive!

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