Online co-op Social Deduction games

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

Showing 1–10 of 93 games matching Social Deduction · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Traitor is a multiplayer social thriller based on suspicion and strategy. Players assume roles, gain trust, cooperate... until someone betrays them. In each round, one is the secret killer and the others try to survive. Observe, interrogate, gather evidence and uncover the real killer.

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Free
Released
Price
Free
Players
👥 Not stated

Murder Mystery games created by HIROYU through the two production circles, “TriEmoStab” and “IBAHIRO”, are now available to play on Steam. ※This is a dedicated tool for playing Murder Mystery games online.

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$
Released
Price
$ · Cheap
Players
👥 2–4 players
Reviews
42% of 7

A hilarious asymmetric PVP party stealth game for 2 to 4 players. Blend into a crowd of 100 NPCs, outsmart the hunter, and evade the predator player. Your eyes betray your true nature.

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$
Released
Price
$ · Cheap
Players
👥 4–15 players
Reviews
100% of 21

Social deduction game for 4 to 15 players. 3 factions clash as you fortify the village and master unique roles. Uncover your enemies before the Blood Moon turns against you, or be devoured.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

This is a multiplayer cooperative cooking game. You must prepare dishes using various ingredients and compete against others, all while identifying and eliminating the cannibal hiding in your midst. The cannibal wins by killing others, cooking their flesh, and feeding it to the rest of the players!

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$
Released
Price
$ · Cheap
Players
👥 4–10 players

A 4-10 player online social deduction party game. Only one player knows the safe door, but that knowledge will not get them out early. Bluff and survive over live voice chat, round after round, until only two doors and two players remain.

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$
Released
Price
$ · Cheap
Players
👥 4–12 players
Reviews
50% of 6

A social-deduction card game for 4–12 players. Share one screen, keep roles and cards secret on phones, and play locally or connect remote groups through Steam.

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

A fast-paced multiplayer deception game where Guards protect the King and Assassins hunt their target. Work together, deceive your enemies, identify threats, and strike at the perfect moment to claim victory.

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