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 81–90 of 577 games matching Building · updated 12 Oct 2026

Filters: Building × Clear all
$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
92% of 1,537

Open your own bookshop! Order books, stock your shelves, and earn revenue. Use your profits to decorate, expand, and hire staff. Collect rare books that give powerful abilities. Adopt a cat to keep you and your customers company along the way!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
95% of 61

Build a cloud provider from a garage to a hyperscaler - rack the hardware, run every cable, route the traffic, keep customers online. A first-person infrastructure sim where ports, power, fault domains, RSTP and BGP do real work, not flavour text. Readable for newcomers, honest for engineers.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated

Something unexpected happened. Stacked containers, faintly visible docks in the mist, I must disembark. Perhaps there are tools and medicine inside the container. We will face challenges such as disasters, zombies, pirates, and survival pressures until the small boat is built and we return to land.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 6 players
Reviews
91% of 36

Leap, climb, and launch your friends in this chaotic co-op extraction platformer for up to 6 players! Use your drill-wrench to build your way across a vibrant post-apocalyptic world, find replacement parts, and fix broken machines. And if you lose your head, don’t worry: it’s all part of the job.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
93% of 2,509

Step into the role of a hands-on mayor and build your town from the ground up. Plan neighborhoods, automate logistics, and grow your community—all while juggling workers, infrastructure, and day-to-day chaos to create your dream town. Play solo for total control, or bring friends for co-op mayhem.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
87% of 1,824

Ore Factory Squad is a co-op mining and factory-building game with procedural mining and fun at its core! Play alone or with friends, buy properties, dig deep for valuable resources, complete contracts, upgrade and automate production lines and grow your factory from zero to industry!

If you loved these, you'll love this

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

Brewgether is a coop brewery sim. Run your own brewery, manage bars and employees, trade with townsfolk for different materials used in infusing the alcohol, build houses and furnish them in order to rent them out. Expand your business with new locations, brewery stations, vehicles and more.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 13

Mine ore on the Moon, send it back to Earth to earn money, and buy Skill Cores to upgrade your abilities. Use a variety of helpful equipment on your expedition — and yes, there’s a dog! Uncover the secrets hidden beneath the lunar surface.

If you loved these, you'll love this