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 21–30 of 1,095 games matching Action-Adventure · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated

This game is a 2D shooter adventure where players can jump around and shoot at enemies by aiming with the mouse. You can also use rolling and weapon assembling to defeat all kinds of enemies, while experiencing a fantastical mental adventure about self-judgement and introspection.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated

A Vampire Survivors-style action game with Asteroids-style mechanics and endless progression. Stay on top, destroy everything, explore every sector, and survive over 100 hordes. Customize your ship and play cooperatively with friends.

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$
Released
Price
$ · Cheap
Players
👥 1–6 players

A survival platformer for 1–6 players where you hop across floating wreckage after a pirate shipwreck—play solo or online with friends to race for safety, collect items, and earn achievements.

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$
Released
Price
$ · Cheap
Players
👥 1–6 players
Reviews
100% of 1

Supernatural horror multiplayer extraction game. Accept organization missions, find items in forbidden zones and reach extraction points. Beware supernatural creatures. Scavenge high-value loot, earn rewards, buy gear and unlock deeper zones. Supports 1-6 co-op with randomized extraction conditions.

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$
Released
Price
$ · Cheap
Players
👥 2–4 players

Explore limbo in 2 to 4 player co-op, gather soul fragments, try to escape. Each failure forces the group to sacrifice one of their own, who returns to hunt you and sabotage your escape. The more you fail, the more hunters stalk you. How many of you will make it out?

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
94% of 17

Build a ship. Load the cannons. Let the chaos begin! Jump into online PvP regattas and naval battles, unlock powerful upgrades, and rule the seas. A well-built ship is the key to victory!

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Not listed
Released
Price
Not listed
Players
👥 Up to 4 players
Reviews
33% of 3

The Last Camp is a post-apocalyptic world-themed game. It utilizes high-quality graphics, a rich weapon and item system, and a vast world map to create a cross-generational twin-stick shooter, bringing a feast to hardcore shooter players.

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