Online co-op Action-Adventure games

Every online co-op Action-Adventure game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 41–50 of 1,095 games matching Action-Adventure · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players

Ghoul Fright is a physics based action-packed FPS Survival Beat em up with a 90/2000s cartoon vibe, fight dangerous Ghouls as you cause destruction and chaos in your way while hell unleashes in heated Ghoul waves. ¿Ready to Fright?

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
67% of 65

Do you love ghost hunting with friends? Do you love the thrill of a crucifix burning in your hand as you exorcize ancient spirits? Do you wish you could become a ghost yourself and scare your fellow hunters? Well, then SO BELOW is for you.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 2–4 players

High intensity co-op roguelite space adventure party game for 2–4 players (or bots). Take on crew jobs, keep a failing ship alive, and survive procedural missions with endless exploration, light RPG progression, and real-time crisis gameplay.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
31% of 19

Open-world MMORPG with strategic point-capture battles. Form your team, fight other players, and dominate the map. Join events, level up your character, and enjoy a competitive online experience.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
100% of 2

A co-op action game about protecting your mom in a post-apocalyptic world. Explore ruined cities, gather resources, upgrade your motorhome, build defenses, and battle enemies. Your mission: Get Mom to safety. Her survival is in your hands!

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$
Released
Price
$ · Cheap
Players
👥 Up to 16 players
Reviews
100% of 3

Adoros is dying. A catastrophic Void Anomaly has torn open the planet’s surface, warping reality and unleashing forces no one fully understands. You are a Cube Crusader sent to crush the Anomaly, at any cost.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 5 players
Reviews
79% of 267

Gather your allies. Eliminate Angels. Transform into a Magical Girl. Slay god. Kernel Hearts is a Multiplayer Co-Op Roguelike Action RPG about four magical girls and their attempt to save a world that's drowning in ashes

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players

Hunt mechanical monstrosities in a steampunk Wild West. Choose your loadout, gather a posse of up to four players, collect powerful upgrades and deploy combat drones as you explore dangerous frontiers and bring down notorious bosses.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
84% of 32

Bring life back to a world in ashes by guiding the Pouics, solo or in co-op, through a real-time tactical adventure where every region you save must be protected from falling back into the embers.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–8 players
Reviews
78% of 2,671

A 1-8 player fantasy RPG set in a handcrafted pixel world. Build your hero across 8 races and 6 classes. Explore ancient lands, master elemental combat, forge relationships, and shape a stronghold to call home. Fight for the fate of Dimraeth either together or alone.

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