Online co-op City Builder games

Every online co-op City Builder game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 81–90 of 133 games matching City Builder · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
66% of 54

PlanetX is a real-time strategy MMO set on a spherical planet. Players expand territories, construct buildings, and manage resources to develop their empire. The ultimate goal is to conquer the entire planet by claiming all land plots and outpacing rivals in strategic growth and domination.

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
57% of 780

Hometopia is a sandbox home-building game featuring thousands of assets and customization options. Choose from a variety of environments where you can design your dream homes—solo or with friends. Bring your architectural visions to life exactly as you imagine, with no budget limitations.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
20% of 5

Let’s Build Wonders:Galaxy is a multiplayer cooperative space-building game. In the game, members within each alliance achieve efficient resource sharing and division of labor through trade transportation means. They work to expand their alliance's galactic territory to resist pirate harassment.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
85% of 20

A cooperative survival and strategy game where you explore diverse environments, build and defend your clan town, upgrade weapons and skills, and master magic to survive relentless enemy attacks.

$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
78% of 179

Play with friends in a cozy base-building adventure! Take care of adorable creatures — Morps, explore, discover new species, grow crops, fish, build relationships with your crew, decorate your perfect home, and automate production along the way!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
77% of 269

Eyes of War is a real-time strategy game set in the medieval era, offering both single-player and multiplayer experiences where you can control every unit in character mode. Build your castle, lead your army, and dominate the map. Eyes of War invites you to epic battles of the medieval era!

$
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
$ · 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
50% of 2

[The Gears: Factory] is a third-person 3D factory-building game where the player's main goal is to build automated systems by mining minerals and producing industrial units.

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