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 2011–2020 of 3,124 games matching 4 players, best rated first · updated 15 Oct 2026

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−10%
$
Released
Price
$ · Cheap · On sale −10% until 20 Oct
Players
👥 3–6 players
Reviews
71% of 14

A 3–6 player auction game built around bluffing, deception, and manipulation, where you must outsmart your opponents in tense bidding wars, hide the truth, and turn risky trades into profit. Every round is a battle of mind games where trust is fragile and strategy decides the winner.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 2–8 players
Reviews
71% of 14

Enter the surreal world of Backrooms in our multiplayer 2-8 players Co-Op & PvP game. Become monsters or survivors, where players must infect others or use their guns to stay alive. With fast-paced gameplay and a creepy atmosphere, it's perfect for Backrooms fans for having fun with friends

$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
71% of 14

Succumb to madness and come Sacrifice Your Friends! Dangerous arenas, eldritch weapons, lovecraftian creatures, and a lot of fun await you.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
54% of 113

Face the gates of Hell in a fusion of third-person action, RPG and Tower Defence. Repel the demons alone or in co-op by building defences. Upgrade powerful units to help you in battle, before jumping into the fight yourself, with an arsenal of skills and weapons to rip apart the oncoming swarm.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
60% of 41

Phantom Hysteria thrusts you into the ghost hunting genre. Play solo or co-op with up to four players, where you will have to investigate, banish, and neutralize phantoms with your taped-together gear.

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Zombie Within

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
66% of 21

A Zombie Imposter slips into a survivor camp, protected by a group of Defenders, and tries to kill the population. Play with up to 6 players in this tense and exciting social deduction game mixed with horror and strategy.

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Deadly Quiet

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
55% of 89

Deadly Quiet is a 4-player co-op asymmetrical horror game set in the eerie Hoia Baciu forest. Featuring a bodycam perspective, your fate depends on your actions and the cooperation of your entire team. But remember to STAY QUIET.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
58% of 53

Experience non-stop, real-time tactical combat with a 4-person squad. Upgrade and recruit units, enhance special abilities, while acquiring better weapons and gear. Take your toughest recruits into action in single player or co-op multiplayer and save humanity from the suppressive Manta force.

If you loved these, you'll love this