Online co-op Investigation games

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

Showing 31–40 of 178 games matching Investigation · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 1

In Silent Howl, every night is a fight for survival. Villagers must unmask the Werewolves lurking among them, ready to strike from the shadows. But beware, powerful hidden roles can shift the balance. Will you expose the truth and save the village, or tear it apart from within?

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
71% of 87

Work together to escape the manor in "Trapped Together", a narrative co-op puzzle campaign where logic reigns and death is not an option. Communicate, trade items via dumbwaiter, and solve intricate riddles.

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$
Released
Price
$ · Cheap
Players
👥 2–16 players
Reviews
100% of 44

Who Do Voodoo is a multiplayer party game of real-time combat and social deduction for up to 16 players. Collect and craft cards, cast spells to deal damage and defeat opponents, or deceive your friends using proximity voice chat.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
86% of 80

In The Good Dog: Chasing Shadows, play as a dog defending your family from paranormal creatures. Explore the world and solve environmental puzzles to save your loved ones and uncover the mystery.

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$
Released
Price
$ · Cheap
Players
👥 3–16 players

Enter BETRAYED, a chaotic 3–16 player party shooter where trust collapses, lies spread fast, and paranoia turns friends into enemies. Use proximity voice chat to manipulate the room, earn Blood Credits for deadly traitor tools, and make every round end in suspicion, chaos, and betrayal.

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Free
Released
Price
Free
Players
👥 3–10 players
Reviews
66% of 3

Pulled Strings — a social deduction game with survival elements for 3–10 players. Among you hides a Maniac — your goal is not only to find them, but to survive. Keep the fireplace burning, cook okroshka, and stay out of the darkness.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
87% of 1,403

In a world where electric cars reign supreme, you are now the owner of an old gas station out in the wilderness. Establish trade, develop your business and uncover the secret of this strange place in the compact gas station simulator.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
80% of 10

VIDEO CHAPEL is a virtual art installation by Jonathan Turner and Marsia Alexander-Clarke. Through First Person and VR, users can explore the secrets of a sprawling exhibition environment offering new interpretations, freedoms, and constraints.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
0% of 2

A terrifying 1-4 player co-op horror game. Explore 10+ handcrafted Backrooms maps, survive against 8+ unique entities, and use proximity voice chat to coordinate or panic. Your decisions shape the story with multiple endings. Discover optional lore that reveals the truth behind these Backrooms.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
70% of 10

Don't Turn Off the Light is a 5-player asymmetrical multiplayer horror game where one player becomes a demon lurking in the darkness. Survivors must rely on light, teamwork, and scavenged weapon parts to avoid possession, escape captivity, and fight back before it's too late.

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