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 661–670 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated

A supernatural horror game where you hunt and banish ghosts by locating altars, using tools, and surviving deadly attacks in procedurally generated environments. Play solo or with friends in this tense and dynamic ghost-extermination experience. This is not a finished project. This is build 1.0

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Project Bengal

Crossplay
Free
Released
Price
Free
Players
👥 Not stated
Reviews
70% of 17

Welcome to Project Bengal, an open-world action-adventure set in the vibrant, bustling streets of Bangladesh. Immerse yourself in a richly detailed world where you can free-roam, engage in intense action, and live out your own criminal empire story—all in Bangla language.

$
Released
Price
$ · Cheap
Players
👥 Not stated

Run, fight, and survive in deadly labyrinths filled with traps, monsters, and rivals. Play alone or with friends and be the first to find the Magic Portal before it's too late.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
60% of 28

You and your teammates are part of an elite undercover unit tasked with finding out information on a mysterious complex known as "the backrooms". Explore various locations, solve puzzles, check your six, and escape with your life!

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$
Released
Price
$ · Cheap
Players
👥 1–5 players

A multiplayer horror escape game for one or up to four players, PvE mode allows you and your friends to work together to escape from an area. In PvP mode, you can also play as the monster and prevent players from escaping. Use your special skills to prevent them from escaping!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
0% of 4

Alchemists is a Co-Op horror game that can be played with at least a minimum of 1 and a maximum of 4 players. Your goal is to expel the evil spirit from cursed places by completing the 4 Element ritual. Destroy the monster alone or with your team using your tools.

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Longvinter

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
68% of 6,954

Fish, farm, craft, gather, cook, loot or steal from other players and build a campsite or a village with your friends in an open-world multiplayer sandbox game without rules!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
0% of 1

The Maze Project is a psychological horror game set in a dark, creepy maze. Unaware of how you found yourself here, you must escape from this twisted nightmare. Survive from the dark manifestations that lurk around the maze waiting for every opportunity to get you, and uncover the hidden secrets.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
45% of 11

``Spring Adventure'' is a game where you work together to progress through the stages. It is an adventure game where you advance through the stages by avoiding or defeating various traps and monsters.

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