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 1041–1050 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
71% of 92

SCP: Nemesi is a multiplayer survival-horror game where one player takes on the role of the SCP (anomalous creatures, each with its own abilities and appearance), and the other four players play as Humans, each with their own personal goals and tasks that may branch into different paths.

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$
Released
Price
$ · Cheap
Players
👥 Up to 9 players
Reviews
100% of 16

An action packed, beat em' up RPG with an open world for you to explore with over 40 areas, 9 different dungeons, 14 side quests, over 150 items to collect, multiple classes of combat, and various different mechanics to get stronger. You can play Ezerath's Last Hope with up to 8 friends!

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V Gate

Crossplay
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
8% of 12

V gate; It is an open world game that includes first and third person shooter, survival, exploration, crafting, horror, thriller, team, building, mystery, management concepts and drags you towards different worlds with explorations.

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Saleblazers

✓ Deck Verified
−55%
$$
Released
Price
$$ · Standard · On sale −55% until 19 Oct
Players
👥 1–8 players
Reviews
78% of 1,985

A shopkeeping adventure for 1-8 players. Cook, fish, fight, and sell your way through a magical island!

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SHARK! SHARK!

Deck PlayableCrossplay
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
64% of 14

Inspired by the legendary SHARK! SHARK!® game released in its original version for the Intellivision® home console in 1982, this reimagined version for up to four players offers you a modern and addictive gameplay, fantastic graphics, great sounds, lots of levels and many underwater characters.

Wildmender

✓ Deck Verified
$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
85% of 1,801

A desert gardening survival game. Start from a tiny spring and cultivate a blooming garden. Explore a vast world amid the sands and uncover its mysteries. Can you defend against the relentless forces of nature and mysterious wraith corruption, to bring life to a dying world?

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LIZARDS MUST DIE

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
96% of 23,304

The great exploits of the Ancient Rus in the war with the lizards. Immerse yourself in the world of Hyperborea and defeat hordes of Lizards and other unholy who encroached on holy places Ancestors. Choose a blessed hero and go save the world from the green plague.

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−80%
$$$
Released
Price
$$$ · Expensive · On sale −80% until 20 Oct
Players
👥 1–2 players
Reviews
37% of 158

Team Avatar is back! Relive the epic adventure of the original Avatar: The Last Airbender series, as you play as Aang and his 8 friends to explore the most unique locations from the series, solve challenging puzzles and experience the most heart touching moments of Aang’s story

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
25% of 4

Embark on a journey through 8 levels of the Backrooms designed to trigger the liminal feeling in your brain. Be ware, because one of the 4 entities could be stalking you at any moment.

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