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 381–390 of 577 games matching Building · updated 12 Oct 2026

Filters: Building × Clear all
$
Released
Price
$ · Cheap
Players
👥 Not stated

Co-op Survival Adventure! Team up as Interstellar Outlaws aboard a newly seized Spacecraft, navigating the vast Galaxy in search of fortune. Embrace the thrilling opportunity to explore uncharted worlds while fortifying your defenses against the dark forces!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
74% of 6,639

Sengoku Dynasty is the ultimate feudal Japan experience: build villages, grow your community, and shape the open world through combat or economy. The choice is yours alone - or that of up to 4 players in multiplayer co-op!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
64% of 3,084

Techtonica is a first-person factory automation game with a gripping mystery about mining your way out from the depths of an alien planet. Explore bioluminescent caves, mold destructible terrain, construct a massive subterranean factory. Dig your way toward answers & discover the secrets of Calyx.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
100% of 1

Cryowakers is an exploration and survival game that takes place in a randomly-generated futuristic world. Play solo or with seven other players to explore, survive, build, and fight to uncover the truth behind the cryosleep experiments.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
90% of 22

Classic block stacking, rebuilt in 360°. Go online with one click and play with people around the world. Compete solo, or team up in local co-op, and climb the global leaderboards.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
87% of 135

Tower Defense meets Base Management. Strategically place your defenses. Craft wacky ammunition like fiery peppers and boomerang bananas. Discover amazing weapons and automate your economy while defending against waves of enemies. Can you handle the chaos?

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
62% of 189

GAME DEVELOPMENT HAS BEEN SUSPENDED! РАЗРАБОТКА ИГРЫ ПРИОСТАНОВЛЕНА! Elder Legacy: Survival is a fun cooperative open-world survival game where you and your friends will find ways to defeat bosses and progress through biomes together.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 10 players
Reviews
40% of 5

Craft, Build and Fight alongside your friends across this deadly open-world. Use both modern day and sci-fi tech as you Loot, Harvest and Trade for resources, gear and vehicles in order to survive the wasteland.

If you loved these, you'll love this