Online co-op Base Building games

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

Showing 251–260 of 464 games matching Base Building · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
53% of 26

Compete with up to 4 players to build the most successful hardware store! Design your shop, manage inventory, hire employees, and influence market prices in this detailed business simulator. Master retail management as you expand your store empire.

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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.

$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
82% of 267

Choose a planet, build your fortress, and prepare for war. Arm yourself with powerful weapons, deploy troops, construct turrets, and defend your stronghold against relentless attacks. Team up with a friend or fight alone in this action packed block builder, where only the strongest survive.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
55% of 775

On a future post-apocalyptic Earth, build, craft, and loot other players’ bases to survive long enough to board the rocket and escape the dangerous robots and mercenaries that inhabit Ararat Island. Manipulate the weather and use earthquakes to change when the server wipe occurs in DYSTERRA!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
70% of 17

When I woke up, I found myself on an uninhabited island. And I had nothing with me! Anyway, the first priority is to find food to avoid starvation. At night, mysterious creatures attack, so I need to craft equipment and build a base to defend myself! In the end, there's a boss waiting for me!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
77% of 8,177

A first-person survival game set on a post-apocalyptic, ecologically ruined Earth. Play solo or with up to 3 friends as you build, upgrade, and fly a high-tech airship. Scavenge resources, craft tools, and face dangers on the surface as you hunt for a cure to save humanity.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
50% of 28

A shop life simulator and management, From owning a small room above the store to selling exclusive products as the highest rated shop, or scratch lottery tickets to try your luck at winning big, In a 24/7 shop, Manage alone or with friends.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
81% of 122

The world has ended. You are deep underground, and all alone with a cheery AI companion. You will have to mine and build to survive, and search for other survivors to help you. Will you be able to reach the surface? And what will you find when you get there?

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
59% of 99

Strategically place turrets and build defenses to maximize your firepower against colossal Titans! Experiment with different setups, optimize your battlefield, and take down legendary creatures with the most efficient tactics. Every decision counts in this unique tower defense experience!

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$
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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