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 461–470 of 1,516 games matching Action-Adventure, newest first · updated 13 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
69% of 448

"Lost Lullabies - The Orphanage Chronicles" is a Co-Op horror game set in 1980, inspired by the real stories of an orphanage ruined by a fire in 1960 Lowell. Playable with 1-4 players, the goal is to identify and expel malevolent spirits alone or with your team.

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MIMESIS

✓ Deck Verified
$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
84% of 8,513

A 4-player online co-op survival horror game. Avoid the contaminated rain, gather scrap and get back to the tram. Monsters that copy your friends' voices and behavior, and many other threats, stand in your way. Gear up and stick together to survive.

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−60%
$
Released
Price
$ · Cheap · On sale −60% until 19 Oct
Players
👥 1–3 players
Reviews
92% of 13

The Office Killer is a 1-3 player online co-op survival horror game. As a spy, your main goal is to complete the file transfer process containing the office's dark secrets while monitoring live surveillance camera footage. Can you survive the entire night or will you get caught by the killer?

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Team up with friends in a roguelite adventure! Fight enemies, collect loot, and power up your character to take on harder maps. Each run is unique, and the stronger you get, the deeper the challenge goes. How far can your team go?

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
55% of 34

Backrooms: Facility Unknown - Is a co-op horror game about exploration of dangerous liminal spaces. Wander around the complex alone or with friends. In any case, your task is to do your job and survive.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
100% of 4

「NIGHTRAVEL」は、荒廃した電子街が舞台のマルチビルド2Dアクションゲームです。電脳支配された故郷を救うため「ハッカー」となり、反撃の狼煙を上げよう。 荒廃した空虚な街を駆け抜け、有象無象の敵対者たちを蹂躙しよう。一人でも友達と一緒でもプレイ可能。 戦利品を組み合わせて能力増強、各キャラクターを使いこなし、電脳システムに支配された街を取り戻そう。

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
76% of 17

Urbex Murder is a cooperative horror game where you explore abandoned places alone or with friends. Solve puzzles, confront events, and uncover hidden secrets. Each map offers unique scenarios for an immersive and terrifying experience.

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Midnight Heist

✓ Deck Verified
$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
92% of 389

Go on heists through Midnight City alone or with up to four players to fulfill tasks as a hacker for various organizations. Improve your reputation, earn money, and uncover the secrets of shady companies all while being hunted by terrifying entities.

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Pizza Deathlivery

✓ Deck Verified
$
Released
Price
$ · Cheap
Players
👥 2–6 players
Reviews
71% of 163

Alone or up to 6 players, deliver pizzas to the survivors of a city where an oppressive mist has turned almost everyone into monstrous creatures.

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