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 741–750 of 3,535 games matching Indie, newest first · updated 14 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
52% of 25

Lead your nation in Territorial Conquest through the Middle Ages, WWII, and Modern Era. Expand borders, build armies, trade, sabotage enemies, make political decisions, and conquer the world in immersive real-time strategy.

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Free
Released
Price
Free
Players
👥 Up to 8 players
Reviews
92% of 13

This game offers a first-person platforming experience for up to 8 players. After a mutated rabies virus began to threaten life on Earth, humanity found refuge in safe cities built in the sky. Overcome obstacles to reach the safe city — and be the first to get there.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
83% of 36

Glocktopus is a free-to-play 3D comedy puzzle game where you control an armed octopus, using your trusty sidearm, aquatic gadgets, and clever environmental interactions to overcome comedic challenges and escape the aquarium in pursuit of the local mafia’s Golden Gun.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 5

Command massive armies from the sky as an RTS Commander, or drop directly into the muddy trenches as a Front Line soldier. Industrial Legion blends tactical squad management with intense first-person combat, simulating thousands of active troops simultaneously in a unified theatre of war.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
0% of 2

A terrifying 1-4 player co-op horror game. Explore 10+ handcrafted Backrooms maps, survive against 8+ unique entities, and use proximity voice chat to coordinate or panic. Your decisions shape the story with multiple endings. Discover optional lore that reveals the truth behind these Backrooms.

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$
Released
Price
$ · Cheap
Players
👥 Up to 3 players
Reviews
100% of 5

Werehouse is a co-op haunted night shift where you and up to 3 other overworked elves package presents for Santa. If stocking the sleigh trucks an hour before Christmas wasn’t stressful enough, you’ll be fighting for your life against holiday monsters while you’re at it.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
70% of 10

Don't Turn Off the Light is a 5-player asymmetrical multiplayer horror game where one player becomes a demon lurking in the darkness. Survivors must rely on light, teamwork, and scavenged weapon parts to avoid possession, escape captivity, and fight back before it's too late.

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