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 71–80 of 81 games matching Space Sim · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
91% of 146

A multiplayer roguelike about teamwork, survival...and cute animals in space! Play with a few friends or join a streamer's crew of dozens as you work together to battle aliens across the vast Rogue Space.

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
66% of 3

Spacecraft Tactics is a 2D turn-based tactical space game. Save the last rebel outpost in the campaign. Develop a strategy, execute it in tactical battles and micromanage your ship. Play various game modes single or multiplayer. Create your own ships, scenes or mods and share them.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
60% of 35

Hand Simulator: Aliens is a multiplayer game where your mission is team survival. You either battle infected colleagues, saving the ship and crew, or sow chaos and death as an infected member.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
50% of 4

Create Your Own Universe is a survival, crafting, exploration, base building, third person, open world, go anywhere you see on screen space game.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
82% of 1,604

The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.

$
Released
Price
$ · Cheap
Players
👥 Not stated

Time and space foam island, unknown biological resources, construction base, adventure trip. 1. Build roads. 2. Arrive at space-time foam to obtain rare materials and advanced equipment. 3. Don't leave the road. 4. Demolition or PK. 5. Continuously opening up more features.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Evade VR is a unique arcade game in which you have to take the battle in outer space. You will have to fight the bots, dodging their shots and meteor showers. In battle you will help, an extensive arsenal of weapons, abilities and bonuses, combine them and earn as many points as possible.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 9 players
Reviews
69% of 69

Lodestar sends you and your squad of friends on your own space odyssey. Traverse multiple planets in a journey to get home without losing yourself or your ship to the perils of the unknown! Solve puzzles, gather resources, mine asteroids, and survive... with your own oh-so welcoming AI sidekick!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
92% of 858

BattleGroupVR is a first person real-time space strategy where you lead a fleet of powerful warships into battle from the bridge of your own flagship. Assemble your fleet, upgrade your load-outs, train your captains, engage the enemy and secure the sector. Try not to go down with the ship.

If you loved these, you'll love this