Online co-op Action-Adventure games

Every online co-op Action-Adventure game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 31–40 of 1,095 games matching Action-Adventure · updated 12 Oct 2026

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Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 3

Dive into an unforgiving underwater nightmare alone or with friends! Complete deadly missions for the Union in the terrifying depths of Gornak. Repair broken pipes, replace defective equipment, and gather scattered body parts to pay off your debt... if the local fauna doesn't get you first.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
100% of 26

Your life begins anew in front of an imposing mountain... Climb and explore it with a wide cast of characters in this dungeon crawler RPG with up to four player Co-op.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
100% of 2

A light-hearted VR pirate action-adventure set in Pirate Purgatory. Solo or 2-player online co-op: pick a target, chart your approach through open levels built for mischief, and use pistols, swords and freshly severed skulls to claim the trophies destined for your Hoard.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
100% of 3

The Kingdom of Valoria is in grave danger - The King has sent his most trusted Alchemist to help fight off the monster hordes near the town of Elyzium. Fight monsters, craft potions, cast spells and live the life of a powerful sorcerer fighting to repel the monsters from the defenseless town... 

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$
Released
Price
$ · Cheap
Players
👥 1–8 players
Reviews
100% of 3

PUSH! PUSH! PUSH! Power your vehicle, keep your balance, and climb through challenging courses in the sky. Reach the summit by overcoming the tornado and the crazy shark! A physics-based parkour adventure for 1–8 players.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
77% of 49

A 1-4 player co-op horror and hunting game. Descend into an anomaly-filled underground to collect rare lure stones, return to the surface and use your Lure Gun to draw zombies in and hunt them. Kill, sell, upgrade. Survive below, hunt above.

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
50% of 2

Enter this story of survival against the new alien domain with the help of the warriors of the Anti-Chaos Brigade in intense, fast-paced Arcade-style combat.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Become the ultimate Brainrot collector! Explore an open-world map, hunt silly creatures from COMMON to OMNIPRESENT, fill up your Codex, build your gold empire... and face off against your friends in multiplayer. The ultimate brainrot simulator is here!

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