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 31–40 of 136 games matching Detective · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
100% of 5

🐱 Discover 900+ hidden cats across 9 unique hand-drawn country maps 🌍. Relax with guided color-by-numbers 🎨 or free pastel coloring. Play solo or online co-op 👯‍♂️, while Meow FM 🎶 sets the mood.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
82% of 166

First-person adventure game, playable solo or co-op with up to 4 players. Use your magical abilities to solve puzzles or navigate through areas! Explore, use items, brew potions and unlock your full alchemical potential. Are you willing to do what it takes to claim a soul of your own?

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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
$ · Cheap
Players
👥 Not stated
Reviews
100% of 11

17 Steps is a fast-paced mahjong strategy duel inspired by the Japanese variant “Seventeen Steps.” Read your opponent, hide your waits, and survive a tense mind game!

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
100% of 11

🐱🚀 Find 2,000 hidden cats across 20 cosmic maps 🌌. Relax with guided color-by-numbers 🎨. Play solo or online co-op 👯‍♂️, while Meow FM 🎶 sets the galactic mood.

If you loved these, you'll love this

$
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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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
0% of 1

The game is built using Unreal Engine 5 with an interactive 3D UI. Players must explore the ward and repair damaged circuits while evading the harassment of the Listener. Along the way, they must locate notes left by other survivors. With the help of the item information, they can leave.

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$
Released
Price
$ · Cheap
Players
👥 Up to 5 players

A chaotic, asymmetrical party game for up to 5 players! One player becomes the Lord, while the others are Rebels hiding among the Peasants. Will the Lord expose them in time - or be overthrown?

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
0% of 1

The treacherous world of Cyber Neon and Data Mist, with the core gameplay of puzzle solving, deduction and parkour. Single-player or multi-player play as a time and space hacker, collect the subtle evidence scattered everywhere, to reveal the unknown shocking truth.

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