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 411–420 of 577 games matching Building · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
71% of 353

In this simulation and adventure game, explore 19th-century Gold Rush California. Join Jim and Emma to build and manage your farm and city. Plant crops, raise animals, construct buildings, complete missions, uncover secrets, and collect treasures. Start your adventure now!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
100% of 2

As an Artificial Sentience, transform The Hotel—a derelict customizable spaceship—into a beacon of hospitality for six alien Factions. Master the Action Hex, expand your Neural Network, and explore spectral entity hauntings in this deep sci-fi management game.

$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
80% of 10,294

A survival crafting adventure set in the Fourth Age of Middle-earth. Lead the Dwarves to reclaim Moria - mine, build, and battle through procedurally generated depths alone or with up to 8 players in co-op. It is time to return to Moria!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
78% of 157

Build a formidable factory and go dungeoning alone or with friends. Solve logic puzzles and automate resource collection and crafting, or venture into dungeons filled with dangers and rewards. Find your own ideal gameplay balance, as any unique path will advance the story!

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Isocraft Story is an isometric Minecraft-like sandbox game. Shape the infinite and procedurally-generated block world. Collect materials, play online, advance to higher tiers of tools and weapons, go deeper into the world and build a new spaceship to escape from this planet!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
71% of 660

“WOW,you can really dance!” Welcome to IDOL PARTY. Immerse yourself in dance and song to find friends in this social game. Charm your love with moves and melodies, pledge togetherness, marry, and start a family. Tired? Farm or play mini-games for endless fun!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
58% of 215

Experience a vast Sci-fi open-world survival TD game set on a distant planet deep in the universe. Craft, build, mine, trade, explore, and survive in this alien world. Collect Data and defend against waves of enemies seeking to banish you. Enjoy the adventure in Singleplayer or Multiplayer.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
77% of 1,748

Become a Spartan in this Greek myth survival adventure, solo or with up to 3 friends. Explore a realm at the edge of the Underworld, fight mythical beasts, gather resources, craft powerful gear & build grand palaces. Raid ancient temples, seize the iconic weapons of the Olympians, and defy the gods.

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