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 1201–1210 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 6 players
Reviews
61% of 67

Lost Fleet is a co-op space shooter. Every ship in your fleet is flyable, from the smallest fighter to the largest battleship. Protect the Mothership, mine resources, crush your enemies.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
56% of 50

Escape the terror lurking in the darkness in this immersive co-op experience. Solve challenges and work as a team using your main tool: your voice. Beware of lurking monsters, which might be closer than you expect.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
80% of 15

Runaway Animals is a 1-4 player co-op & PvP action-comedy game. A mysterious man with a monkey freeing wild animals in captivity. What could go wrong? Complete your duties at your underpaid job while you cope with these uncontrollable animals in this story-driven adventure.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
78% of 19

Fast and loud parkour platformer where the faster you go the better music gets. Exploration with rhythmic subtones inside of a colorful open world. You play as a cute pink ferret.

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$
Released
Price
$ · Cheap
Players
👥 1–5 players
Reviews
88% of 2,085

Boo Men is a 1-4 player online co-op horror game. You and your crew of burglars are tasked with stealing from ghosts. Just remember to stay in the light because you never know what could be lurking in the dark...

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
75% of 28

This multiplayer souls-inspired spell-casting game sees you collecting equipment and finding new spells to help on your journey of proving your worth to the gods, and redeeming yourself from the cardinal sin of mortality. Explore the floating island and unravel the secrets of the fragmented world.

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$
Released
Price
$ · Cheap
Players
👥 Up to 5 players
Reviews
51% of 332

Zcrew is a roguelike game that supports up to 4 players playing co-op online. In the latest “Full Frontal Fire” update, you‘ll be able to utilize the new automatic firing system to reign the battlefield with lightning and missiles. Collect resources, modify your weapon,and dominate the battlefield.

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HALF DEAD 3

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
77% of 491

Become a member of the highly anticipated sequel of the co-op sci-fi show. Gather a team of four friends. The more partners the more chances to survive. Find your way out in a deadly new room complex filled with even more sophisticated traps.

$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
88% of 81

Go on a mysterious journey in the wildlands in this 1-4-player VR action-adventure game inspired by Western, Dieselpunk and Lovecraftian themes. Explore old mines, nautical caves and ruins of ancient civs to unravel the secrets of the valleys. But beware! Best to keep a 6-shooter close just in case.

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Commandos 3 - HD Remaster

✓ Deck Verified
$$
Released
Price
$$ · Standard
Players
👥 2–8 players
Reviews
60% of 330

Fall in, soldier! Commandos 3 - HD Remaster sends you to the relentless and unforgiving battlefields of Europe. Remastered in high definition including reworked 3D models and textures, improved controls and refined UI.

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