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 231–240 of 352 games matching Mystery · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
50% of 2

Gather your best mystery solving friends or go in alone in this VR Escape Room game, that features both singleplayer and multiplayer with VR cross platform support. Can you uncover the secrets of the professor and escape?

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
50% of 8

Play for Free !! Enter the world of swords and magic now. Team up with your friends in the fantasy world of your dreams, strategically select your heroes, and conquer your enemies.

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$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
51% of 45

Ghost Catcher is a cooperative horror game that can be played by at least 1 and up to 8 players together. You need to continuously delve into the haunted house, unlock new areas, uncover the truth behind the case; confront spiritual entities, identify their types, and ultimately capture them.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
62% of 24

Destroy a dark party in Diddy's mansion. Gather your comrades Eminam and 51 Cent and save Justin B from Diddy! You can destroy the party with your friends by experiencing co-op

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Phantom's Estate is a Survival Horror game where you have the choice of going in solo, or gathering your friends to hunt for the dead. Be aware though as these ghosts have been reported to track and learn your mistakes while you explore...

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
75% of 8

Alpaca Party is a free VR Party game. In this game, you can enjoy thrilling Werewolf gameplay, strategize with friends. You can also explore mysterious realms through portals,Whether you love strategic puzzles or relaxed social play, Alpaca Party has something for everyone.

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
53% of 13

Experience the horror puzzle game, Envious, offering both single player and co-op modes. Choose to be Xavier or Xandra where the first is trapped in a house, trying to escape it, while Xandra explores a separate old house to uncover clues facilitating Xavier's escape.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
78% of 19

A game that blends exploration and adventure , offering two modes. In the dynamic RPG mode, players confront powerful bosses and equip weapons and armor to build their strength. In the solo platformer mode, players navigate treacherous environments filled with obstacles to reclaim lost powers.

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$
Released
Price
$ · Cheap
Players
👥 5–8 players
Reviews
87% of 3,993

Solo or up to 8 players. Get rid of your employer's failed experiments in abandoned underwater labs. Navigate your submarine, avoid abyssal terrors, and remove all corpses.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
69% of 100

Dustland is a reimagined take on the survival genre. A world where expeditions, looting, and battles are just the tip of the iceberg, hiding secrets and mysteries of a fallen region in its depths.