Online co-op Conspiracy games

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

Showing 1–10 of 20 games matching Conspiracy Β· updated 12 Oct 2026

Filters: Conspiracy Γ— Clear all
$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ 1–6 players

Experience cooperative gameplay in your restaurant, keep up with orders, and survive the chaos. But remember a member of your team might be working against you, not with you. When the spy starts sabotaging the restaurant, the real question is: will you control the chaos, or will the spy?

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Free
Released
Price
Free
Players
πŸ‘₯ Up to 2 players
Reviews
0% of 1

Pair up with a friend to play as a Mechanic and Hacker duo. Infiltrate the facility, access security systems, uncover the organization's secrets and discover the truth to save the world!

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
100% of 1

top-down co-op survival horror game where players deploy into deadly Quarantined Zones, fight mutated experiments, and extract with everything you can carryβ€”because if you die, you lose it all.

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$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ Up to 8 players
Reviews
86% of 902

A retro spy FPS inspired by the N64 era. Go guns-blazing in action-packed shootouts, steal secret plans, and accomplish objectives while foiling evildoers’ schemes as a secret agent in a solo or co-op campaign. Fight friends in both local split-screen multiplayer and online with up to 8 opponents.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Up to 4 players

Climb out of a shifting liminal facility where reality changes by phase. Calibrate unstable nodes, manage light and sanity, evade distinct anomalous threats, and reach extraction alone or with your crew.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
93% of 64

Step into a fully 3D medieval world of deception. diffiCULT is a multiplayer social deduction game where you must uncover hidden cultists. Use proximity voice chat, investigate houses at night, survive daily votes, and reveal who is truly on your side.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Up to 4 players
Reviews
93% of 49

A grim exploration-driven pet simulator set in a broken world. Master platforming, optimize pet modifiers, upgrade your body, and advance through a dystopia where survival comes at a cost.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ 2–8 players
Reviews
100% of 17

You and your friends are invited to die! The Masquerade is a murder party game from 2 to 8 players where you're simultaneously a target and a hunter. Impersonate NPCs to hide from your hunter, while gathering enough clues to unmask and eliminate your target.

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$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ 2–4 players
Reviews
100% of 1

With your friends, play as extravagant detectives in this wacky Point & Click game to solve the mystery behind multiple crimes. Will you manage to gather the clues that only you can find and share them with your team to accuse the right suspect?

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
94% of 2,238

LIZARDS MUST DIE 2 is a cooperative slasher action game, a high–quality continuation of the SENSATIONAL first part. Insidious lizards attacked the lands of the Rus again. HYPERBOREA is on fire and only the GLORIOUS HEROES can kick the invaders from their homeland.

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