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 241–250 of 577 games matching Building · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
75% of 479

You are lost in the Bermuda Void, where the ocean is endless and dry land precious. Craft your Ship-in-a-Bottle, then experience survival on the high seas. Sail for new land, build camps, hunt for treasures, trade for goods - then defend your ship from dreaded pirates stalking this strange realm!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
52% of 46

Cooperative survival and horror genre. You and your family have returned to your native land, on which a terrible curse and darkness has fallen. Will you be able to survive in a harsh and dangerous environment and stop the evil? It depends only on you, on your skills and ability to help each other.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
57% of 26

Turn a sun-kissed island into the ultimate tropical getaway. Build luxury hotels, design beautiful beaches, and create attractions to delight your guests. Manage resources, expand your resort, and watch tourists flock to your paradise in this relaxing citybuilding game.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 9

Play as a highly maneuverable battle Tank against up to 1,000 other real players concurrently, clashing as part of a giant army, on a massive, fully destructible battlefield. Capture land to win the war. Tanks 3D is a multiplayer PVP game that can be played in first or third person.

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

The last world war didn't end conflict. The Iron Hand tyrannizes people, as the Resistance fights for liberation. In the resulting conflict high tech and brute force face off against guerrillas with unconventional tactics, leading to Red Chaos: A modern take on classic real-time strategy games.

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
94% of 3,527

Build physically simulated rovers to transport awkwardly shaped cargo across the rugged terrain of Mars. Earn funds, unlock new parts, and use your ingenuity to help the Martians establish a new home. Playable solo or in online co-op!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 10 players
Reviews
83% of 2,036

Voyagers of Nera is a cooperative survival-crafting game where you must survive a magical ocean world brimming with lost spirits and deadly monsters. Sail to distant islands, build beautiful villages and surf across the waves with up to 10 players.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
88% of 1,886

From the makers of LEGO® Builder's Journey comes a new 2-player co-op adventure about friendship and play. When two friends make it their mission to rescue an abandoned spaceship, they embark on a journey beyond their wildest dreams.

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