Online co-op Mystery games

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

Showing 251–260 of 352 games matching Mystery · updated 12 Oct 2026

Filters: Mystery × Clear all
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
64% of 3,084

Techtonica is a first-person factory automation game with a gripping mystery about mining your way out from the depths of an alien planet. Explore bioluminescent caves, mold destructible terrain, construct a massive subterranean factory. Dig your way toward answers & discover the secrets of Calyx.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 5 players
Reviews
100% of 11

You love cats, right? Then team up with up to 4 friends or search for them alone in colorful Japan! They will run away and hide in new places. Will you find them all?

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
87% of 8

The goal is simple : Open the Door and Escape. From the moment you enter, you'll face a series of devious puzzles, perfect for solo or collaborative play with friends. Built from the ground up for immersive VR, this episodic adventure brings the thrill of real-world escape rooms to virtual reality.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players

Escape from the depths of hell in VR! Solve puzzles with a friend, customize your avatar, and explore Hades' prison with no time limit. Developed by two escape game enthusiasts.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
100% of 2

"Time to Escape" is a cooperative puzzle game. Finding yourselves in a locked room, you and your friend, who is on the other side of the wall, must work together to solve complex puzzles. This must be done before the countdown timer reaches zero.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
66% of 6

Unhuman Nightmare is a 4 player online co-op game where a team of thieves want to steal items from haunted places. What they don't know is that the places are full of traps set by ghosts. Chances are, they'll not escape alive...

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 5 players
Reviews
69% of 26

Malpractice is an Online Multiplayer Horror Experience. Solve puzzles, discover secrets, and avoid corrupted entities to escape a plague ridden hospital.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
72% of 235

Explore haunted locations, collect paranormal evidence, and survive the revenge of the former residents still haunting them. Team up with up to 3 friends to figure out the ghost, however, what begins as an investigation quickly turns into a desperate struggle to stay alive.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
68% of 22

Reports of paranormal activity have been creeping up across the nation. You and your team have been instructed to investigate. Explore and solve puzzles, all whilst avoiding deadly horrors from the Otherplane.

If you loved these, you'll love this