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 821–830 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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Perennial Order

✓ Deck VerifiedCrossplay
$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
93% of 698

Perennial Order is a 2D plant horror boss rush with challenging one-hit-death combat. Set in an atmospheric Dark Age world plagued by nature-infested horrors, explore a lore-filled and eldritch land alone or in two player co-op, all in a realistic painterly style.

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Ale & Tale Tavern

Deck Playable
−61%
$$
Released
Price
$$ · Standard · On sale −61% until 26 Oct
Players
👥 Up to 6 players
Reviews
88% of 8,745

Get ready for a thrilling mix of genres: a cooperative, first-person, open-world fantasy tavern simulator, action, fishing, hunting, exploration, and completing fun and diverse quests. And, of course, COOKING! Play with friends, feed and quench the thirst of the entire world!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
76% of 38

A free online multiplayer RPG that tells the tale of a realm whose history was lost to time! Battle through hoards of monsters, join up with other players you meet along the journey, and compete in enjoyable mini-games to rank in the leaderboards!

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江湖客栈-The Jianghu

Deck Playable
Free
Released
Price
Free
Players
👥 Not stated
Reviews
55% of 2,417

Hey,you! This is not a place where the Beggar's can come in and beg for help! Without 100k silver coins, never think you can use our "Jianghu Inn" sign. what? Surprisingly, we managed to get together! Do you really want to give it a try?

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
96% of 662

Survive the world's deadliest psychopaths. Experience a unique 2-player co-op experience that puts your teamwork and communication to the test. Complete your duties alone or with a partner in a prison like no other.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
80% of 10,294

A survival crafting adventure set in the Fourth Age of Middle-earth. Lead the Dwarves to reclaim Moria - mine, build, and battle through procedurally generated depths alone or with up to 8 players in co-op. It is time to return to Moria!

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SMITE 2

Deck PlayableCrossplay
Free
Released
Price
Free
Players
👥 Not stated
Reviews
54% of 24,162

Become a god and wage war in SMITE 2, the free-to-play Unreal Engine 5-powered sequel to the legendary third-person action MOBA. If you love challenging competition, intense action, ability-driven combat, rewarding teamwork, or godly mythology, you’ll see why 40+ million players love SMITE.

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
57% of 7

Ominous is a thriller/horror game for up to 4 players. In this game, you must collaborate with your teammates to face a creature within an indoor setting. What sets Ominous apart is its unique approach to multiplayer, offering a distinct experience compared to many other horror games available.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 1

is a thrilling action-adventure game where you play as a space explorer stranded without fuel. Using a portal, you travel to another realm to collect and sell trash to refuel your spaceship.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
66% of 3

Can you escape the forest? Experience the isolation of being the last person in the dark woods. Uncover the mysteries of your missing neighbors and discover who or what took them from their homes, all while escaping with your life.

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