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 501–510 of 577 games matching Building · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
75% of 366

"Kingdom of Atham: Crown of the Champions - Embark on a medieval fantasy survival odyssey. Reclaim the stolen Crown, battle dark forces, and explore diverse lands. Uncover secrets, wield magic, and craft your destiny. Will you become the true champion of Atham?"

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
40% of 5

Nova-X is a solo/cooperative survival game currently in development. Immerse yourself in a multiplayer pirate/fantasy world where you can embark on world exploration, conquer territories, build ships, seek treasures, or gleefully indulge in pillaging.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
62% of 27

Grudge is a thrilling fantasy MMO sandbox where your choices shape a living world. Explore the new MMO world mode, claim and build your own home island, fight, and conquer. MMORPG depth, survival crafting, and real-time strategy—will you rise as a hero, a warlord, or a legend?

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
84% of 19

Discover the magic of a winter wonderland with Snow Folks! You can build snow forts, houses and anything you can imagine. Get creative with your friends, build your own castle, have the ultimate snowball fight, or play solo and create your own snow day adventure!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
94% of 3,558

You come home for an annual family reunion, only to find your family missing with an eerie note left by your father. After you discover what has happened you SEEK REVENGE!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
76% of 21

😼Being a cat is sometimes so frustrating! Just grab a gun and shoot some furballs. Catnight is an online shooting multiplayer game with many surprising modes. No game will ever be the same. Team up or not it's your choice. Just smashcat your opponents!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
67% of 275

Zombie Survival Game Online is an open-world, post-apocalyptic, looter shooter. Craft, quest, explore, build, and fight for survival. Parkour up a mountainside, ramp a truck over a horde, and grab a gasmask to explore the sewers. Can you survive? Doubtful.

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
76% of 13

Project Bridge is a fun roguelike co-op endless runner that can be played in couch mode or multiplayer adventure with up to 4 people. Gather resources, build bridges over procedurally generated levels, upgrade your character's skill set and run as far as you can before the void swallows you!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
75% of 4

Delve into the low-fantasy medieval lands of Hazordhu, where you will explore a vast open world full of dangers and wonders where every building and every item is player-made, and the online world changes based on your actions.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
80% of 47

Crash-landed and ill-prepared, you and your friends must build, break, and rebuild to escape. A chaotic co-op puzzler about creativity, comedy, and questionable engineering.

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