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 121–130 of 577 games matching Building · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Up to 8 players
Reviews
96% of 30

In this top-down, multiplayer, co-op game, you must protect your Core Crystal by any means necessary. Build up your defenses, explore, refine, and upgrade to reach your goal. Play alone or with up to 8 people.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
60% of 5

Cooperative real time city building simulator with Swiss flair. Build a town together manage resources and budgets solve quirky everyday problems and experience a world that keeps running even when you are offline.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
0% of 3

继《芝士财商》之后,宋雅网络第二款游戏《在线地球》来了。这是一款像素风多人联机生存游戏,你将与全球玩家共同生活在一颗圆形的像素地球上:收集资源、搭建庇护所、抵御黑夜生物,还要提防其他幸存者。游戏支持数十人同服协作或对抗,可组部落开荒,也可孤狼探险。动态天气、季节变化和完整的生活制造体系,加上地球自转带来的真实昼夜与资源分布,让生存充满变数。Steam即将上线,在这颗低像素、高自由的小小星球上,活出你的故事。

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
72% of 159

Shamania is an open world survival game where you can CRAFT, FIGHT, and EXPLORE a vibrant sandbox world with friends in CO-OP. Expand your base as a hub for survival, gather resources, and master professions to unlock new tools and opportunities!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
85% of 48

Explore, automate, and fight in this new open world factory automation game. Build factories connected by miles of conveyor belts. Manage power and fluid networks. Explore procedurally generated worlds filled with resources to harvest and hostile creatures to defeat. Play solo or online with friends

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
63% of 1,155

Avakin Life is an endless social world waiting for you. Live your dream life, from unique and customizable avatars to stylish fashion outfits and personalized dream homes. Hang out with friends, join parties, and embark on adventures in a world where you are in control of everything.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
66% of 6

Stickforge is a fun, physics-based 2D multiplayer online stickman game. Fight and build with other players. Create your own maps, items, and skins. Multiplayer stickman arena PVP.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
97% of 1,656

Turn your desktop into your very own birdwatching spot, and await the arrival of new avian friends! Enjoy a cozy idle game — place a tiny postcard on the corner of your screen, keeping you company with pleasant scenes and visiting birds. Oh, and don't forget your camera!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–8 players
Reviews
77% of 4,819

Rome has fallen! Rebuild civilization in this action-adventure survival game for 1-8 players. Fight hordes of the walking dead, build settlements, restore the Roman gods... or kick back and farm with friends.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–6 players
Reviews
85% of 886

Build a top-tier business solo or in co-op (1–6 players). Start from scratch, keep the slot machines spinning and deal with chaotic events like vandals and alien invasions. Grow your fortune and show everyone why the house always wins.

If you loved these, you'll love this