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 1431–1440 of 3,124 games matching 4 players, best rated first · updated 15 Oct 2026

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Lost Vessel

Crossplay
Free
Released
Price
Free
Players
👥 2–4 players
Reviews
73% of 87

Idle sci-fi RPG where combat actually matters. Crash-landed on an alien world, you rebuild through five skills, melee/ranged/void-magic combat, and a server-wide world boss. Progress keeps going while you're AFK. Solo, co-op, or faction raids. Free to play. No pay-to-win.

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Rescue Party: Live!

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
70% of 164

Play alone or with your friends in this cooperative adventure for 1 to 4 players. Make the right moves, and coordinate with your team to rescue people in danger. Have fun, and act fast! The success of your team depends on your choices. Save as many lives as possible in a frantic race against time!

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$
Released
Price
$ · Cheap
Players
👥 Up to 5 players
Reviews
76% of 50

You need this game to forget about your life cares and become the best alchemist of this fantasy world with your friends! An alchemy shop keeper game offers you to brew potions for your customers, loot the ingredients in the forest, trade with sellers and compete with rivals.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 33 players
Reviews
64% of 3,762

EmergeNYC is a simulation of New York City's Emergency Services. Drive over 30 different Emergency Vehicles with up to 32 of your friends through busy City Streets with blazing sirens and air horns. Take the role of a firefighter, medic, or police officer and ride with your friends to emergencies

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METAL GEAR SURVIVE

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
64% of 3,701

METAL GEAR SURVIVE builds upon MGSV’s stealth action gameplay with elements of exploration and survival creating a bold new experience. *An internet connection is required to play the game.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
72% of 98

Fueled Up is a chaotic couch co-op spaceship recovery game for up to four players. You and your crewmates must fuel, fix and rescue damaged spaceships before the evil space octopus gets its tentacles on them!

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Free
Released
Price
Free
Players
👥 1–4 players
Reviews
74% of 66

A wave-based FPS for 1–4 players, made with passion by one dude! Pick your load out, mow down hordes, Roast Mr Hotdog and earn cash. Spin Vegas-style slots (random box) between waves for upgrades, compete for the best score, and see if your luck (and skill) can keep you standing. Can you survive?

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Techtonica

Deck Playable
−70%
$$
Released
Price
$$ · Standard · On sale −70% until 19 Oct
Players
👥 Up to 4 players
Reviews
64% of 3,084

Techtonica is a first-person factory automation game with a gripping mystery about mining your way out from the depths of an alien planet. Explore bioluminescent caves, mold destructible terrain, construct a massive subterranean factory. Dig your way toward answers & discover the secrets of Calyx.

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