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 161–170 of 1,095 games matching Action-Adventure · updated 12 Oct 2026

Filters: Action-Adventure × Clear all
$$$
Released
Price
$$$ · Expensive
Players
👥 Not stated
Reviews
81% of 996

The ultimate multiplayer open world designed by Pro riders. Discover mountains and trails with limitless control and build your own career. Pull huge tricks or race through the global rankings! Nail challenges to secure sponsorship deals with real world brands. Are you ready?!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Become a shark and rule a living, physics-driven ocean! Hunt, survive, and team up with friends to take down bosses, collect loot, and customize your look. You'll be amazed at what you can do with a mouth full of teeth. Play flat-screen, VR or cross-platform with your friends on the Meta Quest.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
80% of 121

Officially licensed by Nan Pai San Shu, this authentic tomb-raiding MMO brings the novel’s world to life. Venture into the Seven-Star Lu Palace, Nine-Headed Cypress, Bronze Gate and more—iconic locations recreated in stunning detail.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 8 players

A 3D action game set in the near-future world of 2030, where you explore futuristic cities and fortresses through portals. Fight robots and explore unknown areas, and enjoy online co-op with up to 8 players.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
84% of 13

Welcome to the ultimate friendship test! Control a massive, unpredictable Roller with a friend in this chaotic physics platformer. One moves the left wheel, the other rules the right. Trust is a lie, communication is chaos, and falling down is half the fun. Can you roll your way up to the top?

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–8 players
Reviews
83% of 1,027

A 1-8 player co-op sci-fi looter horror game that takes place on a mysterious asteroid belt where players must complete contracts by traveling to exotic planets to kill creatures, find loot, and/or farm planetary materials that they must return to an ominous figure named Sketchy.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
100% of 1

Grimm Work is an 8 player co-op horror game where you seek to balance the scales of chaos and order. Fight, hide, or run from a catalogue of monsters from mythologies and folklore around the world in procedurally generated maps. Will you tip the scales towards order or succumb to chaos?

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
83% of 136

Play together on the couch or online - or both at once. Taival is a cozy co-op adventure where you and up to 3 friends explore a handcrafted world alongside your shapeshifting companion. Discover new forms, progress through narrative quests, and make the journey your own.

If you loved these, you'll love this

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

Band of Heroes is an action-adventure game in development, made to be played solo or with friends in host/client sessions. Face creatures, obtain equipment, complete missions, and strengthen your hero as the game continues to expand.

If you loved these, you'll love this