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 2191–2200 of 3,124 games matching 4 players, best rated first · updated 15 Oct 2026

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Gravebound

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 6 players
Reviews
50% of 61

Gravebound is a 6-player co-op extraction shooter set in a post-apocalyptic world overrun by rogue machines. Scavenge valuable loot, survive intense firefights, complete dynamic objectives, and extract alive to keep what you earn. Push deeper for rarer rewards, tougher enemies, and higher stakes.

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Isles of Adalar

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
46% of 134

Isles of Adalar is an open world single player/co-op fantasy RPG that can be played in first or third person. The game is one part RPG one part RPG maker as it ships with an integrated level editor and Steam Workshop support. Users can mod the existing content or create their own. Developed by Peakway Software an Indie startup composed of 3 developers.

Galactic Ruler

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 15 players
Reviews
47% of 104

Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Up to 16 players
Reviews
52% of 44

Join Warfare: Battleground, an arcade multiplayer first-person shooter! Fight in a variety of modes using a large arsenal of weapons and destroy your opponents with helicopters and air strikes. Are you ready for battle?

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
49% of 69

Don’t Panic Together is an online co-op psychological horror game with a microphone detection system. Players explore dark forest locations, collect important items, and complete objectives together. But panic, screams, and loud noises can quickly lead to death.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
80% of 5

A 6-player co-op horror game where you loot valuable relics from nuclear wastelands to satisfy the perfect AI, KUT-ANA. Survive deadly anomalies and evacuate before you’re recycled.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
80% of 5

Forsaken Shores is a 1-4 player survival RPG style game. Giving you two game modes to choose from, Adventure or Survival. With the ability to use the same characters in both game modes. So, no need to start a new character every time you want to start on a new world or join a new friend.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
80% of 5

Cursed Cargo is an online co-op comedy-horror where the environment is as dangerous as the monsters. Team up with up to 4 players to transport unpredictable cargo using physics-based tools. Use proximity voice chat to coordinate, but be careful the entities are always listening.

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Piece of Ship

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
80% of 5

Piece of Ship is a chaotic co-op for 1-4 players where survival is optional, but company loyalty is mandatory. Grab the singular wrench, patch the cracks with tape, and try to keep this bucket afloat! Remember: asking questions about the mission objective is strictly forbidden.