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 351–360 of 577 games matching Building · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
60% of 192

Set up stalls with fresh vegetables, fruits, and fish. Deliver customer orders, set prices, and expand your bazaar. Catch your own fish to sell and enjoy fishing's thrill. Collaborate with friends in multiplayer mode to manage the bazaar together. Much more is coming soon!

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$
Released
Price
$ · Cheap
Players
👥 Up to 9 players
Reviews
57% of 884

Camping Simulator lets you experience what camp means by preparing your backpack wisely for challenging conditions of nature. You can play all the experiences with up to 8 friends in multiplayer mode or single player mode.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
81% of 190

Summer Islands is a holiday real-time strategy business simulator. Be the right businessman, build your holiday paradise and grab the money from your tourists. Play alone, with your friends and with computer enemies and survive natural disasters without going insolvent.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
76% of 437

Warlords Under Siege is a mix of RTS and Roguelike genre, where you build a small city and defend it against continuous waves of enemies. Improve your assortment of weapons with each playthrough, unlocking new possibilities to beat the ever-increasing threat.

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$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
67% of 74

Welcome to "Crazy Islands", a 3D survival game for 1-4 players that takes you into a world full of mystery and challenges. On this isolated archipelago, you will face ancient gods, cruel natural environment and unknown dangers. Only wisdom and courage can help you survive in this unknown land.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
82% of 3,081

Soar the skies in Aloft, the co-op sandbox survival game set in a world of floating islands. Build any island into a skyship, your home in the clouds. Find lost knowledge, cure the fungal corruption, and brave the hurricane to restore the ecosystem.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
74% of 9,522

Age of Darkness: Final Stand is a dark fantasy survival RTS where you must illuminate, build and defend humanity’s last bastion against hordes of Nightmares. Set in the remnants of a kingdom consumed by a deadly fog, you decide. Will you hide in the light? Or take back your world.

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
78% of 23

Sickway is a realistic VR game where you drive a two wheeled electric vehicle in the heights of the city with the goal of getting down. Good advice: Avoid falling down! You can use your creative abilities in track editor, or you can become the fastest among your friends in multiplayer maps.

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$
Released
Price
$ · Cheap
Players
👥 Up to 8 players
Reviews
100% of 9

A homage to classic real-time strategy games. Gather resources, build an empire, and command powerful armies to conquer the world. Lead six unique tribes, expand your territory, and engage in epic battles with hundreds of units on screen. Dominate in 18 missions and procedurally generated maps!

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Ignisia is a magical world where majestic dragons and other mysterious creatures live in harmony, protecting their lands from the forces of darkness. However, not all the secrets of this world are revealed at once — some of its inhabitants remain hidden in the shadows, waiting for their time.

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