Online co-op Investigation games

Every online co-op Investigation game on Steam we know of. Add tags, a price band or a review floor to narrow it down.

Showing 201–210 of 269 games matching Investigation, newest first · updated 13 Oct 2026

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Eville

Crossplay
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
68% of 432

Betray your friends- and lie your way to victory. Inspired by popular multiplayer social-deduction party games such as Werewolves and Among Us, this is a new take on the concept with realtime gameplay and interaction.

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Free
Released
Price
Free
Players
👥 1–5 players
Reviews
83% of 6,172

"Escape Memoirs: Mini Stories" is a series of co-operative escape-room style puzzle scenarios. Each one is sure to test your wits as you try to overcome the challenges that stand in the way of your escape.

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$$
Released
Price
$$ · Standard
Players
👥 2–4 players
Reviews
52% of 25

Investigate, exorcise, but above all, stay alive! BROKEN is a game of investigation and exorcism. Solo or cooperative online, the goal is to solve paranormal investigations. Online, Broken can be played by 2 to 4 players.

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Free
Released
Price
Free
Players
👥 Up to 8 players
Reviews
78% of 175

A free-to-play Single-and-Multiplayer social deduction game in which role-based play rewards those who rely on strategy and their creative instincts. Also features full cross-play, cross-progression, and a story-rich experience. Supports up to 8 players with any combination of humans and AI.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
72% of 608

Tvö is an online cooperative puzzle game where two players must use their wits and communication skills to find a way into the heart of the labyrinth. This game can be played using our in-game voice chat or a third-party option.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
35% of 14

Wicked Dolls is a 4-player online co-op psychological horror game. Investigate hidden clues to find out how to imprison the possessing spirit of the dolls that lurk in the shadows. With a macabre ritual, eliminate the imminent evil, which is not always what you imagine. Are you prepared?

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Free
Released
Price
Free
Players
👥 1–5 players
Reviews
48% of 214

GODUMAS is a co-op horror game for 1-4 players. Explore the strange island, solve location based puzzles, run or sneak your way through local inhabitants and find a way to escape… before you are sacrificed.

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Free
Released
Price
Free
Players
👥 Up to 2 players
Reviews
70% of 54

Your mission is to cleanse a cursed item in a haunted house. Use your tools to locate and investigate items. Create a ritual area to mark your location of interest and bring items with energy there to progress. Be careful though, the unknown is always watching you and waiting around every corner.

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