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 3311–3320 of 3,528 games matching Indie, newest first · updated 13 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
58% of 53

Experience non-stop, real-time tactical combat with a 4-person squad. Upgrade and recruit units, enhance special abilities, while acquiring better weapons and gear. Take your toughest recruits into action in single player or co-op multiplayer and save humanity from the suppressive Manta force.

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I Am The Hero

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
81% of 493

I Am The Hero is a pixel art, beat 'em up, fighting game that tells the story of a "Hero" with a glorious but mysterious past. Is he the hero he thinks he is or is there a another side to this legendary figure?

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
0% of 6

Since several months ago, an insurgent group called “Futealer” have made a lot attacks on federal facilities. Your squad is sent to Sanctuary Street to stop them from approaching a crucial science facility called Neb Lab. This won’t be a difficult task for seasoned soldiers like you. But as closer as they approach, you notice an unknown power within them. In the same time, you find what you are protecting is no simple but a secret project, leading you to a place where you’ve never heard about…

Steam Tags:

If you loved these, you'll love this

Zombie Estate 2

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
96% of 620

One of the highest rated Xbox Indie Games is now available for PC! How long can you survive in this online co-op wave based shooter? Featuring 35 characters, over 100 weapons, 30 stat-boosting hats, and 6 levels, Zombie Estate 2 is a frantically fun experience to share with friends!

Free
Released
Price
Free
Players
👥 Not stated
Reviews
68% of 209

Build a city, Create an Empire! Research 400+ technologies, and Build 70+ buildings, Craft and Trade 380+ items in an entirely player driven market. Fight Wars and Forge Alliances with thousands of players and create your own Empire in this award-winning, critically-acclaimed MMO.

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99Vidas

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
76% of 409

"99Vidas" is a "beat 'em up" set in a contemporary world that pays tribute to both the new and the classic in gaming industry. Brought to you in all pixelated, 16 bit-esque glory, chockfull of references to not only gaming, but all 80's and 90's pop culture.

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AffordaGolf Online

Deck Playable
Free
Released
Price
Free
Players
👥 Up to 12 players
Reviews
43% of 102

AffordaGolf is a Multiplayer Online Mini-golf game! In AffordaGolf you can play mini-golf with your friends and up to 127 people on official and user created maps. Also you can customize your ball and trail with any image on the internet.

Free
Released
Price
Free
Players
👥 Not stated
Reviews
79% of 6,956

Art of War: Red Tides is a fair multiplayer strategy game that allows different teams on the same platform (e.g. smartphones, PC, etc.) to battle against each other. You will encounter players around the world!

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
53% of 2,981

Guardians of Orion is a Sci-Fi Action RPG Looter Shooter with Dinosaurs and Robots. Complete Mission Objectives all over the Galaxy with your friends to earn new Gear & Rewards!

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8-Bit Invaders!

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 2–8 players
Reviews
82% of 403

8-Bit Invaders! is a fast-paced, retro Real-Time Strategy game for the PC. Control the military might of the Galactic Marine Corps or Invade with the devastating power of the Cranioids! Mine, Build, and Fight your way to victory! Conquering the Multiverse was never so easy.