Online co-op Detective games

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

Showing 81–90 of 136 games matching Detective · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 3–10 players
Reviews
100% of 2

Escape Haunted Mansion is a horrific multiplayer deduction game for 3 to 10 players with voice chat. The Haunteds must complete tasks to escape, while the Cursed seek to eliminate them discreetly.

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$$
Released
Price
$$ · Standard
Players
👥 2–4 players
Reviews
100% of 1

With your friends, play as extravagant detectives in this wacky Point & Click game to solve the mystery behind multiple crimes. Will you manage to gather the clues that only you can find and share them with your team to accuse the right suspect?

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
69% of 32,561

Explore the world with GeoGuessr Steam Edition! Compete against others, climb divisions, and prove your geography skills. Travel to stunning locations, analyze clues, and make your best guess. Quickplay Duels is unlimited Free-to-play.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
66% of 116

Exorcist Simulator is a 1‑4 player online co‑op horror where every play asks the same, terrible question: Will you cast out the Devil —or wear his skin?

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Free
Released
Price
Free
Players
👥 4–16 players
Reviews
69% of 71

Impostor Online is a 4–16 player social deduction game of murder, lies, and paranoia. Every match you're dealt a secret role: investigate, heal, deceive—or kill. Someone at the table wants you dead. Find them first, or make sure they never find you.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
66% of 3

Deep Dark Space is a Phasmophobia-like 4-player online co-op horror experience set in space. Explore abandoned stations, gather clues, and uncover the monster lurking in the dark. Trust no one — paranoia runs high as hidden betrayals threaten your survival.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
91% of 180

Castle of Blackwater is a 2D, action-packed, social deduction game with a magical twist. In this intense game of trust and betrayal, up to 10 strangers are trapped in a castle of danger and deception, with a mission to complete tasks and escape with their lives.

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$$
Released
Price
$$ · Standard
Players
👥 1–6 players
Reviews
93% of 1,221

The Other Side is a co-op psychological thriller for up to 6 players. Your goal is to investigate haunted locations using modern ghost hunting equipment, gather evidence, identify entities, and cleanse them from the location. Customize your character, headquarters, and more.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

A supernatural horror game where you hunt and banish ghosts by locating altars, using tools, and surviving deadly attacks in procedurally generated environments. Play solo or with friends in this tense and dynamic ghost-extermination experience. This is not a finished project. This is build 1.0

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