Online co-op Building games

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

Showing 531–540 of 577 games matching Building · updated 12 Oct 2026

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

CottageVille is a cozy idling game, where you can design your very own cottage and do various activities (such as planning, listening to music, etc.) on your own, and together with your friends!

If you loved these, you'll love this

$$
Released
Price
$$ · 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.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
75% of 8

You are not immune — you are evolving. Hunted by the infected and feared by the living, survive a brutal open world where every decision shapes your fate.

If you loved these, you'll love this

$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 70 players
Reviews
60% of 108,174

ARK is reimagined from the ground-up into the next-generation of video game technology with Unreal Engine 5! Form a tribe, tame & breed hundreds of unique dinosaurs and primeval creatures, explore, craft, build, and fight your way to the top of the food-chain. Your new world awaits!

If you loved these, you'll love this

$$
Released
Price
$$ · 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

The ultimate 3D Virtual Tabletop, Dungeon 3D is light-weight, incredibly easy to use, and extremely robust. It has everything you could possibly need to run full sessions, create gorgeous 3D maps, access character sheets, initiative, dice rolling, animated and customizable avatars, and so much more!

Free
Released
Price
Free
Players
👥 Not stated
Reviews
80% of 1,630

Enter a novel digital universe with infinite possibilities. Whether you resonate with people around the world in a casual conversation, playing games and socializing or you riff off each other when creating anything from art to programming complex games, you'll find your place here.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
8% of 12

V gate; It is an open world game that includes first and third person shooter, survival, exploration, crafting, horror, thriller, team, building, mystery, management concepts and drags you towards different worlds with explorations.

If you loved these, you'll love this