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 1541–1550 of 3,528 games matching Indie, newest first · updated 13 Oct 2026

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

Planetary Conflict: 2301 is sci-fi multiplayer third person shooter set in the future, in a war between the Lunar Federation and Planetary Union.

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−50%
$
Released
Price
$ · Cheap · On sale −50% until 19 Oct
Players
👥 Up to 2 players
Reviews
93% of 15

Build your ultimate defense with a combination of powerful towers. Attack your opponent with strong Invaders. This game is sure to offer a unique and immersive experience for all tower defense enthusiasts!

KitHack Model Club

Deck Playable
$$
Released
Price
$$ · Standard
Players
👥 Up to 16 players
Reviews
75% of 605

Developed by the creator of the original Kerbal Space Program, KitHack Model Club is a physics-based model building sandbox that offers limitless freedom for you and your friends. Design, build, battle, fly (and crash!) your very own RC vehicles, or experiment with over 2,400 ready-made vehicles!

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
92% of 1,362

Mini Airways is a real-time management game where you play the role of an air traffic controller. Clear your aircraft to takeoff & land, direct them to the destination...and most of all don't let them crash!! London, Tokyo, Shanghai... Test your ATC skills in distinctive maps around the globe!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
85% of 526

A sandbox fighting game with built-in creation tools to create characters and stages. Animate pixel art characters using our 3D pixel art rotation technology, then battle with up to 8 players! Use our tools to export sprites for your own projects.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
60% of 5

Dimensional Phobos Threat You are trapped in a cursed place in this horror investigation game for 1 to 4 players that you can play with your friends. The only way to lift the curse is to search the place and find and destroy the cursed items according to the clues

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Deathless: Survivors

Deck Playable
$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
58% of 178

Embark on an online co-op Survival Roguelite adventure. Team up with friends, slash through endless waves of foes, conquer formidable bosses, fulfill quests, craft potent weapons, and unlock unique characters!

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
0% of 2

"Whisper of the Curse" is a 4-player online co-op psychological horror game where you and your team will perform various rituals and spells to eliminate the curse and fend off cursed entities. At the same time, you'll need to avoid being hunted by these malevolent entities.

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