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 131–140 of 577 games matching Building · updated 12 Oct 2026

Filters: Building × Clear all
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
84% of 169

Transform an abandoned island into a thriving business. Install fun activities, open your restaurant, maintain your equipment, manage your staff. It's time to open the beach, you're ready to welcome your first customers!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
88% of 138

Moonshiner Simulator is an in-depth spirits production simulator. Start from the bottom and build your operation into a thriving empire by mastering the intricacies of the craft and creating unique recipes. But beware – there will always be those who want to see you fail.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
72% of 288

Explore a strange island in this open-world survival horror. Use the Gravity Gun to manipulate objects and enemies, build a moving train base, fight giant creatures, catch critters, upgrade your gear, and uncover the dark secrets hidden within its abandoned facilities. Play alone or with friends.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
92% of 150

Namako (Sea cucumbers) will save the Earth—NAMAKORIUM is a chaotic, cooperative multiplayer RTS game for up to four players. Command the “cleaners of the sea” —Namako left behind by humanity and work together to clean up the polluted oceans!

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
63% of 22

A story-driven match-3 game set in the Roman Empire. Rebuild a fallen settlement and turn it into a large, thriving city. Choose what to build first, complete character quests to explore the story, and solve challenging puzzles. Join limited-time events, play mini-games, and team up with friends.

$$
Released
Price
$$ · Standard
Players
👥 Up to 5 players
Reviews
84% of 84

Your home is a living beast. Explore a handcrafted open world in an action RPG where you fight with magic, gather resources, find loot, craft, and grow stronger. Customize and expand your home on its back, and take it with you as you explore solo or with friends.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
73% of 1,838

Explore a colorful world and build your own cozy home on wheels. Craft workstations, and source energy from the sun, wind, or water. Upgrade and customize your vehicle, grow crops, and live sustainably off-grid with up to 4 players.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
100% of 1

SurrounDead Poly Construction is an open-world survival adventure game where players will solve puzzles, collect items, and defeat all enemies to reach the end.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
84% of 2,541

Eden Crafters is a solo or co-op open-world survival, crafting, and factory-building game where you transform a hostile planet into a habitable haven for humanity. Build, automate, and terraform. Control the climate, create a breathable atmosphere, and turn toxic lakes into water: shape a new world!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
50% of 4

Turn-based grand strategy in the Age of Discovery. Develop a transport network, industrialise your economy, colonise the New World, and compete with five rival powers. Inspired by Imperialism 2. Early Access — built by one developer in his spare time.