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 961–970 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
51% of 31

Fantôme is a psychological horror game. Secure dark relics in this chilling experience that offers both single-player and co-op modes. Procedural objectives mean every playthrough is unique. Team up with up to 3 friends for added terror.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Purgatory Salvation is a multiplayer horror game where one player takes on the role of the Keeper of The Purgatory (Killer), and the other players play as Survivors, trying to escape from Purgatory and avoid being caught and killed.

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$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
0% of 2

B1700 is a medieval fantasy game with PVP and PVE game modes. Boasting a vast selection of medieval weapons and armor in which players can loot to grow your character. Fight in the arena where each kill and death counts towards your battle rating, climb the leader boards and be number one!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
75% of 366

"Kingdom of Atham: Crown of the Champions - Embark on a medieval fantasy survival odyssey. Reclaim the stolen Crown, battle dark forces, and explore diverse lands. Uncover secrets, wield magic, and craft your destiny. Will you become the true champion of Atham?"

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−84%
$
Released
Price
$ · Cheap · On sale −84% until 15 Oct
Players
👥 Not stated
Reviews
42% of 14

The Hopebringer is an Unreal Engine 5 powered top down RPG, featuring procedurally generated scenarios in a fantasy setting. Partake in single player, or online co-op adventures. Unlock new scenarios, which you can then repeat at any time in multiplayer.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
66% of 12

Time Handlers is a 2-player cooperative puzzle game where you play as 2 employees of the Time Company tasked to repair the spatio-temporal rifts caused by a mysterious tower. Face baffling and exciting challenges to progress through the various levels of the rift that threatens time.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
40% of 5

Nova-X is a solo/cooperative survival game currently in development. Immerse yourself in a multiplayer pirate/fantasy world where you can embark on world exploration, conquer territories, build ships, seek treasures, or gleefully indulge in pillaging.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
38% of 576

"ASTRAL TALE"- Myth of the Stars," a classic Japanese MMORPG, is now officially operating worldwide. A brand-new profession has been introduced, allowing players to embark on a unique journey across the stars together!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
0% of 2

Welcome to an adrenaline-pumping platform game where players embark on an exhilarating race against each other through a challenging parkour course! Prepare to test your agility, speed, and reflexes as you navigate through an immersive world filled with obstacles, traps, and exciting surprises.

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