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 481–490 of 577 games matching Building · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
83% of 4,310

In Lightyear Frontier you use your powerful trusty mech to farm on a large beautiful alien planet. Settle your homestead, farm and deliver produce to remote colonies, gather and manage resources, build, craft, explore, expand, improve your mech, meet neighbors, and make a place to call your own.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
63% of 19

The One is a game in which your goal will be to explore the world alone or in a group three years after the zombie apocalypse. However, the problem will turn out to be not only zombies, but also others who managed to survive this time behind the gates of the bunkers.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
59% of 37

"Broken World" is an exciting post-apocalyptic low-poly game where players have to survive in a world overrun by zombies and chaos. Build and strengthen your shelters, fight various threats and explore a dangerous world full of secrets and dangers.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
27% of 2,508

Growtopia is a 2D sandbox game, that brings together millions of players in an expansive pixel world. Collaborate in building anything you can imagine, become anyone you want to be, and delve into numerous mini-games. Unleash your creativity and join the massive universe in Growtopia today!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
66% of 3

Explore a new world, traverse randomly generated seamlessly wrapping landscapes, fight or trap monsters, dig for materials, craft equipment, find treasure and trinkets to increase your strength, build a house to protect yourself at night, dig deep to find greater challenges, unique weapons and more!

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$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 4 players
Reviews
59% of 3,013

Embark on scientific expeditions with this new off-road adventure game. Lead research missions as you drive a variety of all-terrain vehicles, using high-tech tools and managing your camp and crew to ensure your success in the wild.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players

A Roguelite, Co-op, turn-based strategy, dungeon crawling game, where you can journey with friends into randomly generated dungeons to fight enemies, collect loot and improve your powers.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
88% of 2,423

In Rail Route, you will design, construct, upgrade, and automate your railway network in one of the many maps based on real-life cities worldwide. Dispatch the trains to make the traffic flow and the network grow!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
68% of 15,550

Myth of Empires is a multiplayer war sandbox game featuring a high degree of freedom and multiple civilizations. Players must survive, craft, create, and lead troops in their quest to conquer PVE or PVP territory and build their own empire. Xizhou Civilization Pack is now officially released!

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