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 2441–2450 of 3,117 games matching 4 players, best rated first · updated 14 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
45% of 20

University 33 is a 1-4 player co-op anomaly detection simulator. Observe your surroundings with unwavering focus: follow the protocol, identify the irregularities, and choose the correct path to reach Floor 33. One lapse in judgment restarts the cycle.

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Outbreak: Epidemic

Crossplay
$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
42% of 28

Return to the world of 4-player co-op survival horror with classic gameplay, strict inventory management, crushing enemies, horrific difficulty and more as you and a group of survivors try to survive the epidemic.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
50% of 12

Endless TD: online co-op and PvP tower defense for 1–4 players. Build wild damage types + talent combos, merge towers into monsters, and survive evolving maps, weather, and bosses in endless waves. Climb leaderboards for highest wave (solo & team).

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The Hunted

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
50% of 12

The Hunted is a horror-themed exploration and survival game. Months after the disapperences of several people, you are determined to document the fates of the missing, reveal the truth and clear your name. However, a huge, powerful beast lurks within the woods.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 5 players
Reviews
37% of 53

Super Dungeon Bros is a rock-themed dungeon brawler where a band of mighty rock bros must navigate the fantasy realm of Rökheim and its hellish dungeons to seek out epic loot, fight hordes of evil undead and uncover the legends of long lost fabled Rock Stars!

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Free
Released
Price
Free
Players
👥 Up to 4 players
Reviews
43% of 23

A co-op roguelike dungeon exploration game. As you progress with your teammates, you will face dilemma choices where growing stronger yourself means someone else becomes weaker. Each run, you must create builds by combining different maps, classes, skills, and items, and overcome the cursed dungeon.

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Free
Released
Price
Free
Players
👥 Up to 12 players
Reviews
57% of 7

A close third-person co-op PvPvE extraction game set entirely underground. No guns. Just you, your team, and a concrete labyrinth full of loot, hazards, and other players who want your stuff. Gear up, deploy into shared complexes with up to 12 players, and try to extract before you die.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
57% of 7

A tense investigative horror experience for solo or up to 4-player co-op, where you search for clues in the dark to uncover the truth behind a spirit’s death before something else finds you first.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
57% of 7

A stylized samurai combat game for 1-4 players, featuring wave-based PvE survival and skill-driven PvP duels. Master precise combat, survive relentless enemy waves, and prove your skill in a world inspired by feudal Japan.

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