Best 3-player online co-op games

Online co-op games on Steam with room for 3 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 2941–2950 of 3,248 games matching 3 players, best rated first · updated 13 Oct 2026

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Shape Up!

Crossplay
$
Released
Price
$ · Cheap
Players
👥 Up to 4 players

Be a circle, a square, or a triangle - and change your mind mid-jump. A neon platformer about the right shape at the right instant. 53 hand-built rooms, a full level editor, and up to four players racing the same room. Need a rest, try building a level together, multiplayer level editor!

If you loved these, you'll love this

−10%
$
Released
Price
$ · Cheap · On sale −10% until 16 Oct
Players
👥 Up to 6 players

You are the maintenance robots of a post-nuclear bunker. Keep the power on, the air clean, and the vents sealed for humans you will never see. Every day you can chose or vote on who gets sent to the surface. Six-player co-op horror comedy.

If you loved these, you'll love this

−15%
$
Released
Price
$ · Cheap · On sale −15% until 23 Oct
Players
👥 1–4 players

A cozy first-person co-op game for 1–4 players, set on an overnight sleeper train. Brew tea at the samovar, tune the radio, make up your berth, and talk to whoever is close enough to hear you. No goals, nothing to win or lose — just the rhythm of the rails and good company.

−10%
$
Released
Price
$ · Cheap · On sale −10% until 23 Oct
Players
👥 1–4 players

A chaotic 1-4 player co-op match-3 game where you and your friends each control only 1 color. Survive the falling grid by pulling and throwing orbs to trigger chains and finish tasks before time runs out. If your color piles up, it’s on you to clear the path.

−20%
$$
Released
Price
$$ · Standard · On sale −20% until 23 Oct
Players
👥 Up to 4 players

Physics meets tower defense in this chaotic party game up to 4 players. Craft barricades and turrets with whatever you can find. But beware: relentless waves of enemies are coming to tear down everything you build.

If you loved these, you'll love this

−15%
$
Released
Price
$ · Cheap · On sale −15% until 14 Oct
Players
👥 Up to 3 players

Wake up on an island the sea swallows a little more every night. Punch trees, craft, build a camp, fish, and hold out against what crawls out of the water. Three bosses, a Beacon, one way home. Solo or with two friends.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players

A voxel tower defense where every defender is a little soldier, not a turret. March through a 20-map campaign, rank eight defenders from militia to legends, and hold every road to the Queen — alone or in endless co-op. Battle your friends in an army style match.

If you loved these, you'll love this