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 371–380 of 577 games matching Building · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
33% of 3

Be warned: Wobbly Construction is not a fun game - it's a challenge. It's difficult, unforgiving, and the controls are awkward. You'll experience hours of climbing, falling, failed jumps, and frustration. But if you reach the top of the tower, you'll feel an incredible sense of satisfaction.

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$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 16 players
Reviews
75% of 5,424

Build your dream railroad across a huge open world! You can build tracks and stations, drive detailed locomotives, and transport goods to earn money and experience. Play exciting Online Multiplayer sessions with your friends or create your very own sandbox!

If you loved these, you'll love this

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

Kill Me If You Can: Multiplayer Edition is an RPG and construction-based zombie survival defense game. Explore by day to gather resources and grow, then build defenses at night to hold back zombie hordes. Each character has unique skills, and you can control multiple characters during gameplay.

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Say

Free
Released
Price
Free
Players
👥 Not stated
Reviews
58% of 12

A game about expression. Build a world, tell your story as you write thoughts into the world you've created and set the atmosphere to fit your mood. Build, write, share and explore. Come be part of the Say Community, and speak your mind!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
67% of 1,908

Explore a stunning open-world filled with majestic creatures and quirky characters. Nurture the barren land into vibrant ecosystems and flex your creativity as you build a thriving civilization in balance with nature.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
57% of 113

A blizzard brought a long winter, Humanity on the brink of extinction. you had to face ferocious beasts, mine ice and snow to build a base, and survive in the cold apocalypse.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
60% of 33

"Source Code" is a large-scale multiplayer online and LAN FPS/TPS game set in the backdrop of World War III. It features building and portal systems, a comprehensive Zombie DLC, and a wide array of firearms and equipment for competitive shooting.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
80% of 5

Sandbox Apocalypse is a 3rd person view, open world post-apocalyptic survial game where you are responsible for your own fate. Survive in a world inhabited by zombies, gather loot, build your base and explore the world.

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