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 431–440 of 577 games matching Building · updated 12 Oct 2026

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Price
$ · Cheap
Players
👥 Not stated
Reviews
62% of 29

Survive in the heart of a post-apocalyptic realm where the very essence of survival is put to the test in a vast, open-world environment. An independent Multiplayer game that demands will, and strategy, you’re not just fighting to live — you’re crafting a new world from the ashes of the old.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 3

Join forces with friends in Errships, a cooperative adventure where you construct epic flying contraptions and conquer escalating challenges. Unite with teamwork and defy the enigmatic tower to keep your scrap-filled vessel soaring high in the open skies.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
58% of 433

👑 Hail to the King! In Crestfallen: Medieval Survival, players clash for dominance over the realm through strategic castle 🏰 building and fierce combat. Craft epic armor, forge deadly medieval weapons⚔️, and build a kingdom worthy of legend 📜. Create a Guild 🐉, trade goods, and prevail! 🌟

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
92% of 13

Downpour Dash! is a fast-paced 3D precision platformer where you must get to the end of various challenging levels. Are you ready to dash?

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
70% of 110

A social cross-platform MMORPG. Enjoy mastering skills, quests, achievements, puzzles, mini-games, crafting, and extensive customization. Take the first step to join this unique journey!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
56% of 508

This game unearths the essence of adventure by combining elements of exploration and puzzle-solving. The game’s appeal lies in its interactive gameplay mechanics, where your choices dictate the progression of the story.

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

Sundermead is an open-world, casual RPG where you can build a farm to live peacefully out in the wilderness with your friends. Beware though, there is more to this land than first meets the eye!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
90% of 7,686

Survive, craft, and automate in this free prologue set on one of the planets you can transform in Eden Crafters, an open-world game where you play solo or with friends to turn a hostile planet into a habitable haven for humanity.

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