Online co-op Space Sim games

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

Showing 61–70 of 81 games matching Space Sim · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
100% of 3

A social zero gravity combat simulator: Guns, Spaceships and Explosions. Plasma bullets flying everywhere so dodge them! If you find yourself out-gunned.. use your knuckle punchers to eliminate nearby enemy players. Join the vast online world now!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
82% of 158

Learn, hone and master all the instruments and controls of a real helicopter! Follow the tutorials to turn the aircraft on and off, learn to use ropes and flares and apply your knowledge in missions based on real situations!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
60% of 10

Engage in real-time battles with customizable space warships. Explore the galaxy, forge alliances, develop powerful ships, and defeat alien invaders.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
70% of 561

QANGA: 750 years after humanity's fall, you must survive in a shattered world where Earth itself demands vengeance. Tear through the fabric of space to face the Voss, awaken the ancient civilisation, and dare to challenge the Sanglines, born from the bowels of a world that condemned you.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 1

is a thrilling action-adventure game where you play as a space explorer stranded without fuel. Using a portal, you travel to another realm to collect and sell trash to refuel your spaceship.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
25% of 4

Solar Kingdoms is a real-time strategy game where you command forces across solar systems, engaging in large battles both in space and on the surfaces planets. Establish colonies, find resources and artifacts, and fight up to 8 factions in skirmish, large campaign, missions, and multiplayer.

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
81% of 435

The spiritual successor to Freelancer with a Lovecraftian, sandbox RPG twist. Explore a vast handmade universe with mod support and PvP/co-op multiplayer. You're going to need a bigger ship.

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