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 41–50 of 81 games matching Space Sim · updated 12 Oct 2026

Filters: Space Sim × Clear all
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
85% of 216

BattleGroupVR2 is a virtual reality real-time space strategy where you explore the galaxy and lead a fleet of powerful warships from the bridge of your flagship. Explore, mine, trade, hunt. Grow your fleet, upgrade your ships, train your captains, and battle the enemy from the captain's chair.

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players

Earth Space Defenders is a starship twin-stick real-time shooter action game. Experience story of menacing green smoke that plagues whole universe. Supports steam multiplayer and party play with multiple controllers.

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
94% of 3,527

Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!

If you loved these, you'll love this

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

Trapped on a ship full of aliens? Worse: trapped with your useless friends. One mag each, just enough bullets if no one misses. Good luck, you're screwed.

If you loved these, you'll love this

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

Build cities and factories in an infinite Hex World. Explore more tiles. Balance your city's production and consumption, attract more citizens of different classes, research new technologies and build more factories and cities.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
93% of 111

Embark on your asteroid hauling career with Veritago Fortana. Start with a basic ship and earn credits to upgrade, customise and repair as you try to fulfil larger and harder contracts. Built exclusively for VR, use your own hands to build, wire and fly using 100s of interconnecting components.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 12 players
Reviews
77% of 5,042

Wildgate is a PvPvE multiplayer shooter that blends tactical ship-to-ship combat with fast-paced first-person action. Evade deadly environmental hazards, search for powerful weapons and ship upgrades, and be the first crew to escape with the Artifact... or the last crew left flying.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
59% of 84

Warspace 2 is a 1-4 player CO-OP space shooter with RPG elements, open-world and procedurally-generated galaxy. You can trade, craft, and fight your way through a universe, either solo or with friends.

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
100% of 1

Step into the past and rebuild history in Epoch Makers, a co-op restoration sim for 1–4 players. Clean, repair, and reconstruct iconic landmarks while tackling tricky obstacle courses that test your coordination, timing, and teamwork.

If you loved these, you'll love this