Online co-op Colony Sim games

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

Showing 21–30 of 57 games matching Colony Sim · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
84% of 743

From a small village of a dozen people to a small kingdom of thousands of people. Arrange for residents to work, gathering, fishing and hunting, farming and mining, processing and manufacturing. Trade, accumulate supplies, increase your strength, and fight evil forces and monsters.

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$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 5 players
Reviews
81% of 4,823

Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
60% of 10

Build cities and factories in an infinite Hex World. Explore more tiles. Balance your city's production and consumption, attract more citizens of different classes, research new technologies and build more factories and cities.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
92% of 10,737

Gird your loins and sharpen your steel! Besiege 20 unique enemy lords and battle friends online, in this expanded remaster of the classic 'castle sim'. Relive history with new units, opponents, visuals, audio, campaigns, skirmish trails, co-op and larger maps.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated

Oikizo is a city-building game. Start by placing your first building and a few citizens, then make your city prosper. The strength of Oikizo lies in the ability to manage a city cooperatively with your friends.

$$
Released
Price
$$ · Standard
Players
👥 1–4 players
Reviews
54% of 376

Thrive: Heavy Lies the Crown is a complex city builder, where the fate of your kingdom hinges on your every decision. Explore this medieval land alone or with friends, make tough moral choices and conquer your foes in RTS combat. Will you struggle to survive, or find the strength to Thrive?

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
76% of 21

As the leader of a Stone Age tribe, gather resources, develop your settlement and lead your people through the challenges of a world full of danger and mystery. Your survival skills, strategic planning and decision-making will be key in this battle for survival.

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