Online co-op Indie games

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

Showing 1821–1830 of 1,911 games matching Indie · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
86% of 23

multiplayer survival mode story - you live in universe where boxes live but project balls got wild project balls escaped from lab and started killing boxes after that operation balls was made where you are in you need to destroy all balls to win this war with multiple weapons found in game

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
77% of 18

ASTROSMASH® was originally a Shoot´em up game for the Intellivision® console in 1981. This reimagined version is based on the game’s original theme and gameplay but much more exciting and challenging. The new graphics are phenomenal and the amazing background music adds a lot of excitement.

Free
Released
Price
Free
Players
👥 Not stated
Reviews
50% of 22

Unite with friends or compete against them in our sci-fi themed Third Person Shooter! Enjoy 3 game modes - Free for All, Team Death Match, and Capture the Flag. Master various cutting-edge weapons. Host or join online lobbies for endless multiplayer fun!

Free
Released
Price
Free
Players
👥 Not stated
Reviews
50% of 2

Time for being stealthy! Dive into the shadows of Sneaky Peeky and experience real multiplayer stealth action. Use the environment to conceal your presence and avoid getting caught. Find ways to disrupt enemy team. Discuss your strategy and be sneaky!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
11% of 202

Get set to defy gravity, leap like never before, and experience the exhilarating world of parkour in a whole new light! This isn’t just your ordinary parkour jump simulator - it’s a dynamic ONLINE MULTIPLAYER adventure that transforms your every move into a gravity-defying spectacle.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
75% of 54

Gehinnom is a multiplayer horror game for 1-4 players. collect clues and complete various quests to perform a ritual and banish the demon that hunts you. Everything in Gehinnom is randomly generated, so you will always be scared.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
77% of 49

ZED Patrol is a co-op 3D top-down zombie shooter that puts you in the middle of a post-apocalyptic world overrun by the undead. Your squad's mission: to take out the four bosses and retrieve the keycards to save the city. But with hordes of zombies around every corner, it won't be easy!

If you loved these, you'll love this