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 2581–2590 of 3,117 games matching 4 players, best rated first · updated 14 Oct 2026

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

An arcade platformer where up to four players can battle it out with plasma, tractor beams, and dozens of power-ups! Multiple game modes and online and local multiplayer make for intense dynamic match ups!

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Trains & Things

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

Build a rail empire from a single track to a continent-spanning logistics network. Lay track that goes exactly where you meant it, meet supply and demand, and grow a company one profitable route at a time. Real-time economic strategy — solo, or head to head and co-op with friends.

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

This is a meadow simulator with slightly different flowers. Either just watch the flowers grow. Or defend yourself against strange aliens. Actively intervene in the development of the meadow. Play with your friends, either as a team or against each other.

If you loved these, you'll love this

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

QuadCopter simulator/multi-player : Capture the Point , Capture the Flag Races and Co-op "Save the Babies" as a fly all while fighting off fellow flies and dangerous foes. " When the humans are away, the flies will play .........FlyWarzz!! WARNING:This game has a hard learning curve to master Flying,You may be born a fly but flying is an art form

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