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 2501–2510 of 3,117 games matching 4 players, best rated first · updated 14 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 16 players
Reviews
100% of 1

Build an island empire, automate sprawling production chains, and compete with up to 16 players across a procedurally generated ocean.

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
100% of 1

Build a machine, then fight with it. A 3D arena robot shooter where five slots and 308 parts decide how you move, how high you jump and how you win. 56 missions, a 20-boss Boss Rush, an endless Endurance Trial, and online versus and co-op for up to 4 players over Steam.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
100% of 1

Jump, dash, dodge, and fight countless stellar bosses in a 2D action-platformer playable solo or with up to 8 players locally, featuring unlockable powers, upgrades, cinematic QTEs, and an emotional story.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
100% of 1

SOMNIUS is a chaotic co-op extraction game for up to 6 players. Dive into collapsing dreams, turn anything into ammo, feed the portal to buy more time, and save the Dreamer before the dream burns away.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
100% of 1

One Man's Trash is a survival simulation game where you and up to 3 friends run a failing pawn shop by day... survive it by night. Buy, sell, and negotiate to meet a mysterious quota. Miss your quota, and something will come to collect.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
100% of 1

Build, manage, and expand your own retail store in this relaxing first-person simulation. Stock shelves, set prices, serve customers, and grow your business solo or with up to 4 players in online co-op.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
100% of 1

A permadeath co-op action-RPG roguelike with hand-inked, comic-book combat. Pick one of seven heroes, descend an endless maze that gets harder with every floor, and see how far you get before you fall — solo or with up to seven friends.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
100% of 1

Twister City is an online co-op game featuring proximity chat, where you and up to 5 friends try to survive in a city plagued by tornadoes. Collect debris to research for points and unlock new items and upgrades that will hopefully increase your chances to survive Twister City.

If you loved these, you'll love this