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 301–310 of 577 games matching Building · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 6 players
Reviews
77% of 377

Build a bright new world alongside a band of rescued robot buddies! In this colorful action RPG, battle waves of enemies in solo or co-op, then return home and use their parts to craft a thriving town. Assemble your crew and grow stronger with each new adventure!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 3

SHARP FISTS is an action game that allows players to freely switch weapons and attack modes during combat, using a variety of weapons and skills to perform combo attacks. The highly mobile combat system provides players with a fluid combat experience.

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
78% of 532

Adventure in a vast open-world survival craft game with your programmable sidekick Grammi! Program the Grammi to collect materials, build your town, craft weapons and armor to challenge strong enemies! Play alone or with friends online!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
74% of 2,410

Embark on a galactic journey in Cubic Odyssey, an open-world adventure where you explore vibrant planets, craft tools, build vehicles, and fight the Red Darkness. Uncover ancient mysteries, and shape a universe full of life, danger, and limitless possibilities!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
91% of 12

In Ascendant Realms you lead a nation in a struggle for glory. Cozy setting meets tactical thinking from classic turn based strategies, but twists it with compact gameplay. Develop your city, research new technologies, fight other leaders - or just create your own story in the sandbox.

Free
Released
Price
Free
Players
👥 Up to 4 players
Reviews
78% of 560

Start bake, build, and grow your dream bakery cafe with prologue now! Create delicious pastries, design your space, and serve customers. Play solo or with friends in online co-op to expand your business and experience the excitement of running a bustling cafe!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
83% of 80

The world ended, but life goes on. Tame mysterious monsters, raise and evolve them, and put them to work as you rebuild a farm from the ashes, restore struggling towns and rise up against the Epoch Syndicate. Play solo or with a friend in online co-op, and take your adventure anywhere.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–5 players
Reviews
51% of 292

Embark on a co-op survival journey for 1-5 players through a post-apocalyptic Lovecraftian world! Command and evolve a living, monstrous train, craft weapons, build a mobile base, gain powers, and face the Great Old Ones. Explore an ever-changing world, hold on to your sanity, and ascend to godhood!

If you loved these, you'll love this