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 741–750 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
30% of 10

We Are Alive is a Co-Op horror game, that can be played with at least 1 and up to 4 players. You are a detective and your mission is to investigate the old psychiatric hospital and find out the truth. Your standard equipment is a flashlight and a gun.

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InoLab Trials

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

InoLab Trials is a multiplayer game where players compete in a series of skill-based trials, either solo or with friends. Customize your character, tackle challenges, and climb the leaderboards.

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Void Crew

✓ Deck Verified
$$
Released
Price
$$ · Standard
Players
👥 1–6 players
Reviews
86% of 6,590

Void Crew is a Chaotic, Co-op Roguelite game for 1 to 6 players: Outfit your spaceship and crew for thrilling quests, brave fierce enemies in Space Battles... and try not to panic!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
77% of 22

Roguelite casual game with various professions and equipment. After defeating enemies, your profession switches randomly, each with unique abilities. Play solo or with friends, explore hidden content, find the best gear, and defeat the final boss in co-op gameplay!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
58% of 17

Abyss Pact is an adventure fighting RPG,where you become a talented heroic warrior to protect the last remaining pure land, and embark on your own legendary path!

$
Released
Price
$ · Cheap
Players
👥 Up to 32 players
Reviews
100% of 12

Play golf, fight robots, and explore an 18-hole course as Jack, a pilot stranded on a recently-abandoned island resort. Discover secrets and complete challenges to earn items that improve your golf game. Unravel the mystery of the island in pursuit of your golf ball across a huge, continuous course.

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
33% of 3

Either FPS or TPS, choose your play style and survive the apocalypse on your own or with your friends. But one must know for sure it ain't gonna be easy, there are hordes waiting for you. Not even considering tough ones... Nevertheless it's gonna be fun.

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