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 111–120 of 577 games matching Building · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 5 players
Reviews
81% of 3,631

Solarpunk is a survival game in a technologically advanced world of floating islands. Alone or together with your friends, you can construct buildings, grow food, craft gadgets and hop on your airship to explore distant islands in the sky.

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

Build and run your own roadside motel in a hands-on simulator. Check in guests, clean and repair rooms, manage payments, upgrade facilities, and grow from a small stopover into a thriving, high-reputation business.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
80% of 5

While trapped in a stunning procedurally generated wilderness, engage in brutal hand-to-hand combat with a notorious drug cartel producing dangerous illegal drugs to uncover the mysteries of their crimes.

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$
Released
Price
$ · Cheap
Players
👥 1–6 players
Reviews
87% of 78

A chaotic co-op armageddon game where you build ridiculous structures to survive world-ending disasters with sticky hands, physics chaos & friends who probably won’t save you. Don´t be a Sitting Duck!

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
70% of 47

Explore, craft, fight, build and survive in a mysterious cartoon world, haunted by a mysterious infection! Take control of Gombo, an enchanted creature and dive into an adventure full of magic. Play alone or in online co-op with a friend. Can you uncover the dark secrets of this colorful realm?

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
80% of 2,411

Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
33% of 3

ARB: Alien Races Battle is a lane-based alien auto-battler where strategy, economy, positioning, and army comp determine victory. Choose from 5 unique factions, command alien races, unlock upgrades + faction doctrines, and overwhelm your opponents through superior planning, control, and adaptation.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
0% of 1

Beyond the Soil: Farming & Tales offers a unique blend of farming and survival. Build your own farm and survive the wild. Complete quests, rescue your loyal dog, and experience an epic rural adventure with up in online co-op.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
75% of 96

Lead any of 221 countries through a living 2026 world in this data-driven grand strategy game. Shape economies, politics and alliances, wage conventional or nuclear war, run covert operations, and rewrite the global order—alone or online with up to seven friends.