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 921–930 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 12

Explore the lands of Arzamor and test yourself against enemies that will challenge your reflexes and skills. Explore in search of upgrades and build a character with very different fighting styles. Are you ready?

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$$
Released
Price
$$ · Standard
Players
👥 Up to 32 players
Reviews
28% of 14

New Citizen is a modern-themed roleplay adventure game set in a vast open world. The game focuses mainly on the player, creating an environment that feels alive and that is constantly moving.

Free
Released
Price
Free
Players
👥 1–10 players
Reviews
51% of 72

Grab your ragtag crew & take up the Nectar Raiding trade on a dangerous planet that’s become all the rage! In this PvPvE extraction game for 1-10 players, compete against enemy crews to harvest as much Nectar as possible before night falls. But watch out, you're not the only one roaming this planet!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
60% of 40

BEAMS — a challenge for the brave! Can you unravel the mysteries of hidden cartridges? Each one is a portal to a unique world filled with insane mini-games where laughter meets terror. But remember: only the most attentive and determined will find all cartridges and uncover their secrets!

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Blade Mistress

Deck Playable
Free
Released
Price
Free
Players
👥 Not stated
Reviews
77% of 72

Blade Mistress is a old school skilling and crafting styled game. Designed to require team work and a community of players who help each other to discover what has caused monsters to invade this world and fight as lovely ladies. Loot, kill and fight your way to the top.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
56% of 16

This is a simple wave-based zombie survival game. The world's first VIDEO GAME CONTROLLED LIVE ACTION SERIES. Be prepared to directly influence the world of CRITICAL FAILURE.

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Backrooms Rec.

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
68% of 1,842

Dive into the mysteries of the Backrooms with a solo-developed survival game. Explore eerie hallways, uncover secrets alone or in multiplayer (up to 6 players), and take on unique challenges.

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