Best 4-player online co-op games

Online co-op games on Steam with room for 4 players, going by the player count on each game's store page. Games that don't say how many can play aren't included.

Showing 2911–2920 of 3,108 games matching 4 players, best rated first · updated 13 Oct 2026

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$ · Cheap
Players
👥 1–8 players

Command one ball at a time — switch freely between soldiers while the rest fight on their own! 5 soldier types, 10 roguelike buffs, and 2 wild modes (PVP / PVE daily global challenges). 1–8 players, local or online. Chaos guaranteed.

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$ · Cheap
Players
👥 1–4 players

Control Rocoumie, a tiny mischievous red fairy, and use the power of flowers to find your way home. A casual co-op action puzzle game for 1–4 players, with simple, easy controls. Find the key, reach the exit together, and enjoy it with family, friends, or players of any skill level.

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Price
$ · Cheap · On sale −50% until 16 Oct
Players
👥 Up to 8 players

A 3D action game set in the near-future world of 2030, where you explore futuristic cities and fortresses through portals. Fight robots and explore unknown areas, and enjoy online co-op with up to 8 players.

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Players
👥 Up to 4 players

Octomech Survivors is a top-down mech action roguelite focused on movement, survival, and auto-fire combat. Manage weight across 8 weapon slots, with up to 4 copies of the same weapon. Choose 1 of 3 mechs and create your own build!

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Players
👥 4–10 players

A fast-paced social deduction party game for 4–10 players — grab your friends and play online together. One player is the President - but no one knows who. Protect them, complete tasks, and unmask the Killer hiding in plain sight. Accuse carefully: one wrong guess ends the game.

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$ · Cheap
Players
👥 Up to 4 players
Reviews
0% of 2

BugFixer is a 4-player co-op horror social deduction game where you must collect the bugs occurring in reality. As a specialized agent, your mission is to collect these bugs and survive until the end against both mysterious monsters and a hidden traitor among your teammates.

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Released
Price
$ · Cheap
Players
👥 1–6 players

The Necromancer's blight is consuming the realm. Six heroes — each lethal to only one type of undead — must coordinate, gather four-piece relic weapons, and converge on him before too much of the kingdom turns to ash. A 1–6 player cooperative tactical hex-board game.

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