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 1191–1200 of 3,528 games matching Indie, newest first · updated 13 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
45% of 248

Something has gone terribly wrong in TRAPPED Alaska. Except for you, and a handful of survivors, the whole town has been emptied. Everywhere, what should be water has been replaced by a black semi-sentient sludge that seems to change everything it touches. And it’s rising...

$
Released
Price
$ · Cheap
Players
👥 2–6 players

Battle Mountain, the pinnacle of Combat Climbing. Athletes from all over the globe gather to claim the ultimate prize: The Crowntain to grant their deepest wish. Fight across challenging maps with your friends in competitive 2-6 player chaos.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
16% of 18

Nightfall Secrets is a 4v1 co-op horror game where up to 4 players must complete randomized objectives and escape—while being hunted by an AI-controlled supernatural entity that reacts to sound. Every match is a tense battle of strategy, stealth, and survival.

If you loved these, you'll love this

Wizard of Legend 2

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
53% of 1,974

Face perilous magical trials in the fast-paced rogue-lite follow-up to the acclaimed original, featuring co-op and vibrant new 3D visuals. Master new Arcana and elements, experiment with spell combinations, and become the next Wizard of Legend!

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Nin Online

Deck Playable
Free
Released
Price
Free
Players
👥 Not stated
Reviews
75% of 1,642

Fight and train with powerful Jutsu to rise through the ranks of your village in a ninja open-world MMORPG. Join over a hundred thousand players worldwide. Play now for free!

−25%
$
Released
Price
$ · Cheap · On sale −25% until 16 Oct
Players
👥 Not stated
Reviews
50% of 2

A Unity-based 3D action game featuring familiar Touhou Project characters. Explore futuristic cities and forests set in 2045, progress through the story, and grow your character in a single-player adventure.

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School 666

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
81% of 563

School 666 is a 1-4 Player Co-op Survival Horror. You must escape this endless nightmare. Try to identify the correct path and survive the anomalies in this endless school. Some extremely powerful anomalies will catch you to their dimensions. Explore the reason why you are here... and don't die.

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−30%
$
Released
Price
$ · Cheap · On sale −30% until 22 Oct
Players
👥 Not stated
Reviews
88% of 34

<oiia> is the ultimate meme game featuring a cozy single player desktop pet mode and a challenging 4 player party mode. You can also use the Steam Workshop to create your own friendly talking companion.

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