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 11–20 of 136 games matching Detective · updated 12 Oct 2026

Filters: Detective × Clear all
$$
Released
Price
$$ · Standard
Players
👥 Not stated

Scan bags, catch smugglers, and keep the airport moving in this chaotic VR security simulator. Search passengers for absurd contraband, uncover disguises, and make split-second decisions before disaster — or comedy — strikes.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated

A lateral-thinking party game where one player reads a cryptic story and the group solves it with Yes or No answers—featuring 100+ handcrafted scenarios, AI solo practice with a thought map, online multiplayer rooms, custom or community stories, achievements, and more.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–7 players

Handcrafted Puzzles || Co-op Multiplayer || Your beloved aphid, Count Ferdinand III, has been kidnapped! Follow the trail to a seemingly abandoned village, solve tricky puzzles, find tools, and uncover clues. Take on the mission alone or with up to 6 friends and rescue the Count!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
57% of 7

A tense investigative horror experience for solo or up to 4-player co-op, where you search for clues in the dark to uncover the truth behind a spirit’s death before something else finds you first.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
16% of 6

Entity Research Group — a cooperative first-person horror game where you become part of a special unit investigating highly dangerous anomalous entities. Collect evidence and samples, complete technical objectives, and survive within the ever-changing Backrooms clusters.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–9 players

Run a late-night diner with up to 8 friends. Seat customers, take orders, and cook meals. Not everyone is who they seem. Study your regulars, spot the anomalies, and decide who gets served and who gets purged.

If you loved these, you'll love this

$
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?

If you loved these, you'll love this

$
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.

If you loved these, you'll love this

$
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.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 3 players
Reviews
88% of 11,042

An online co-op detective horror for up to 3 players. Work together across randomly generated shifts to investigate your customers, as some are only pretending to be human. Make one mistake, and you’ll be forced to board up, set traps, and hide.

If you loved these, you'll love this