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 311–320 of 577 games matching Building · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 16 players
Reviews
91% of 4,864

A cozy multiplayer co-working sandbox with character customization, room building, and productivity tools. Focus, study, work, and relax together with friends and players around the world.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 19

Survive the pirate island! Craft by day, battle waves of enemies by night in this roguelike survival game. Gather resources, unlock powerful abilities, and upgrade your gear to stand against increasing threats. How long can you last in this relentless fight for survival?

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
50% of 8

Immerse yourself in the electrifying world of Caribbean sound clash culture with SoundKilla. In this dynamic multiplayer experience, you and your crew will battle for sonic supremacy in the ultimate test of rhythm, strategy, and style.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
68% of 607

Dive into the agricultural life with Farm Manager World! Manage your own farm across vibrant global locations, cultivate exotic crops, and build your agribusiness empire. Welcome to sustainable farming at its finest.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
53% of 26

Compete with up to 4 players to build the most successful hardware store! Design your shop, manage inventory, hire employees, and influence market prices in this detailed business simulator. Master retail management as you expand your store empire.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
66% of 54

PlanetX is a real-time strategy MMO set on a spherical planet. Players expand territories, construct buildings, and manage resources to develop their empire. The ultimate goal is to conquer the entire planet by claiming all land plots and outpacing rivals in strategic growth and domination.

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
53% of 1,005

The virus has devastated cities and lands. Most of the population died, the rest turned into the walking dead. You're one of the last survivors. Do whatever it takes to last another day.

If you loved these, you'll love this