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 411–420 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
97% of 37

Ticking Together is a 1-4 player co-op platformer set in a high-stakes cyberpunk world. Carry a bomb through deadly obstacle courses, reset its timer with a hand scan every 15 seconds, and work together to prevent a catastrophic city-wide explosion.

If you loved these, you'll love this

Guild Wars® Reforged

✓ Deck Verified
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
87% of 3,291

Step into Guild Wars Reforged, the award-winning online roleplaying game enjoyed by millions, now re-energized with system enhancements and Steam Deck verified. Experience the complete saga— from the fall of Ascalon to the desperate stand against Nightfall. Your adventure is just getting started!

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Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
50% of 4

Breathbound is a sandbox survival builder where you cultivate, craft, battle alien creatures, and struggle to maintain the planet’s fragile ecosystem. Gather resources, restore balance, and build your escape starship before the world and you descend into corruption. 

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MARVEL Cosmic Invasion

✓ Deck VerifiedCrossplay
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
88% of 2,332

A cosmic battle awaits! Choose between 15 Marvel Super Heroes in this frenetic action beat ‘em up to fight against the deadly Annihilation Wave threatening the galaxy. From New York City to the depths of the Negative Zone, the future of the Marvel Universe will be fought for across the stars!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
75% of 16

Survive solo or team up with friends online on a vast forest island. Fortify your base, craft tools and weapons, set traps, and fight off hostile creatures. Search for your missing friend, then decide whether to escape or make the island your home.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
55% of 9

For Humanity is a cooperative extraction FPS. Explore a post-apocalyptic world invaded by zombies alone or up to 4 players. Raid and escape to your camp, craft and upgrade your equipment in order to help other survivors discover the origin of the pandemic.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
16% of 6

Blacksmith Simulator Co-Op is a medieval simulation that combines survival, building, and trade. Gather wood and ore to develop your base and character, forge powerful weapons, and survive across three regions themed around Snow, Castles, and Egypt. Fight monsters and grow through trade!

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$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
87% of 47

Backrooms: Wit's End is an immersive coop survival horror game, featuring procedurally generated, non-linear level progression and dynamic gameplay mechanics. Explore the different disturbing levels with your friends, while trying to escape from many puzzling entities.

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KILL IT WITH FIRE! 2

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
93% of 1,446

KILL IT WITH FIRE! 2 is the ultimate co-op spider-hunting experience! Either solo or as a team of Exterminators, unleash an arsenal of crazy weapons, wreak havoc, and complete dozens of challenges across seven dimensions under spider siege.

If you loved these, you'll love this