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 1051–1060 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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KallaX

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 2–6 players
Reviews
84% of 278

Kallax is a chaotic furniture-building 2 to 6 players co-op game in which only one player can read the instruction manual at a time. Experience what should have been a one person's job and lose friendships forever.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
85% of 14

Welcome to Poly Backrooms, an unique multiplayer co-op horror game that combines the infamous backrooms creepypasta with a fun, low-poly aesthetic. With up to 4 players, you and your friends will navigate through the backrooms, solving intricate puzzles and avoiding dangerous entities.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
47% of 42

"The Backrooms: Last Expedition" is a cooperative horror game designed for 1 to 4 players. Its main objective is to create an enjoyable gaming experience for friends. Players will navigate through terrifying levels, filled with various entities and dangers, as they strive to escape.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
68% of 297

Jump, Dash, Slide! Dive into a classic 3D platformer experience with Boti: Byteland Overclocked. Explore the stylized insides of a computer as a determined data robot and save Byteland from an ominous threat. Play solo or team up with a friend in seamless co-op.

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IronWolf: Free Non-VR Edition

Deck PlayableCrossplay
Free
Released
Price
Free
Players
👥 Not stated
Reviews
94% of 672

This is the Free Non-VR version of IronWolf VR. A co-op submarine game with a light touch on realism, making the submarine sim genre accessible to a wider audience.

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

Shipwrecked on a uncharted island, master survival alone or with friends. Battle, build, and conquer foes as you confront the mysteries lurking in its shadows.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Mujina is a Maze Exploration game where the player has to activate 4 objective points and reach the end portal. Beware of the monsters and the numerous traps awaiting you! If everyone dies, it will result in a failure! Group up with your friends or anyone online to complete the 3 type of mazes!

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$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
89% of 2,538

The Trine series is back with its biggest adventure! In their fifth outing, the Heroes of Trine are pitted against dastardly and duplicitous villains, who will stop at nothing to seize control of the kingdom. The clock is ticking to save the world of Trine!

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