Online co-op Indie games

Every online co-op Indie game on Steam we know of. Add tags, a price band or a review floor to narrow it down.

Showing 2791–2800 of 3,535 games matching Indie, newest first · updated 14 Oct 2026

Filters: Indie × Clear all
Filter by tag, price, players or reviews
$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
68% of 137

Collapsed is a post-apocalyptic roguelike action-platformer. Hunt your prey through vast procedurally-generated levels filled with tough enemies, useful loot and experience points. Fight alone or with a friend – either way, it won’t be easy!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 2–4 players
Reviews
79% of 2,886

Foul Tyranids rampaging on barren worlds; the mysterious Aeldari waging war on the Imperium; a prophecy that could change the fate of an entire Sector. Purge the unclean with the new Tech-Adept Inquisitor and carry out the Emperor’s will in the grim Action-RPG “WH40k: Inquisitor - Prophecy”.

If you loved these, you'll love this

The Blackout Club

✓ Deck Verified
$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
78% of 2,187

The Blackout Club is a first-person co-op horror game centered around a group of teenage friends investigating a monstrous secret beneath the skin of their small town. 1-4 players explore procedurally-generated missions against a fearsome enemy you can only see with your eyes closed.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
51% of 579

Outpost Zero blends the genres of Multiplayer Base Building Survival and Simulation games in a Sci-Fi universe. On a lawless alien world, robotic scouts are tasked with building an Outpost for human colonists. Command AI minions, colonize the planet, and survive the perils of Gaiya. Native wildlife, rival corporations, anarchic space pirates, and the planet itself all stand in the way of your rise to power.

If you loved these, you'll love this

−75%
$$
Released
Price
$$ · Standard · On sale −75% until 19 Oct
Players
👥 Not stated
Reviews
72% of 22

Elemental War takes Tower Defenses to a new level with exciting multiplayer matches, dozens of hours of single-player gameplay, and lots of indie love!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Fly, bounce, tether, shoot, and change form, material, mass and shape - to escape capture and navigate different worlds with games and challenges - all in order to win your freedom! PrimeOrbial is a 3D physics, cooperative single and multiplayer experience you have never seen before.

If you loved these, you'll love this