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 51–60 of 352 games matching Mystery · updated 12 Oct 2026

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Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
78% of 263

Catastrophe! An evil wizard has cast a tornado spell on your shop, and now all your products are on the floor. Maybe you'll ask some friends for help to tidy up?

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$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
37% of 24

Explore a virtually endless Backrooms world, procedurally generated from a seed as you move through interconnected environments. No loading screens. No boundaries. Every journey is different. How far will you go before something finds you?

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
98% of 322

Hardcore, co-op (or solo) platformer. Dark Souls makes a baby with Super Monkey Ball. An easy-to-learn, hard-to-master experience to explore with your friends. All inside a vast open world, with each platforming course bringing its own twist.

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$
Released
Price
$ · Cheap
Players
👥 2–7 players
Reviews
0% of 1

FILENDS is a dark multiplayer riddle-solving game for 2-7 players. Work together to solve levels filled with murder mysteries and tragic tales. Use environmental clues and real-time chat to uncover the truth. Will you solve the riddles or become a part of them?

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
90% of 104

Two souls, one destiny. Embark on a co-op adventure through a forgotten land, where teamwork and wit are the only way to navigate the wonders and dangers of a magical cave.

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
18% of 122

“VESSEL” is a two-player online horror puzzle game. Experience varied puzzles, monster chases, boss battles and item collection alongside a rich story. Join forces with your friend and help the siblings escape the haunted hospital!

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
70% of 20

Punch out or get punched! Unemployed Nightmare Together is a 1–4 player co-op horror where you're trapped inside a nightmare office by a relentless job application. Restore power, complete your paperwork, and reach the elevator before you're drained. Quitting is not an option.

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$
Released
Price
$ · Cheap
Players
👥 5–8 players
Reviews
94% of 151

Deadly Trick is a social deduction game playable with up to 8 players. Survive the death game unfolding at school under the name "Special Class." Depending on the situation or your own choices, you could become the White or the Shadow! Cooperate… or betray.

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