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 1–10 of 57 games matching Colony Sim Β· updated 12 Oct 2026

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated

Looking for a place to unwind with others? A social game where you sit with friends at a private fishing spot - chatting, decorating your space, and capturing memories together. Keep it running and stay a while in your own little retreat.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
100% of 1

Mine the belts, colonize distant worlds, and choose your allies as three rival factions fight over a fractured frontier, then prestige through five starships and lead a joint fleet against the invading Dominion.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Up to 5 players

A peaceful open world of forests, rivers and wide meadows. Set out alone or with up to 4 friends to find the place you’ll call home. Build a quiet life or grow your settlement into a thriving new civilization. The choice is yours.

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$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ Up to 9 players
Reviews
70% of 298

Polylithic is a survival game unlike any other, set in the most pivotal moment in mankind's history. Experience life as a Paleolithic hunter-gatherer, settle down as a Neolithic farmer, form tribes in co-op multiplayer, or go it alone in a world where the apex predator is still a distant aspiration.

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$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ Not stated
Reviews
65% of 32

A deep colony sim and city builder. Manage resources and production chains to build the railroad from East to West. Found towns, harvest and refine the goods that fuel the line, then persuade or outlast the settlements in your path. Every citizen has a name, a trait, and a breaking point.

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$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ Up to 2 players
Reviews
79% of 44

Rekindling is a settlement building and management game. You are tasked with rebuilding society after the ZTD virus has taken over and turned the masses into mindless creatures. Build, Harvest, Mine, and Fight with your survivors to build a sustainable society and take steps towards finding the cure

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$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ Not stated
Reviews
72% of 37

Survival Craft with PvE, CO-OP, Questline that lasts for several hours. Historic Bronze Age vibes. Lead your tribe to Civilization, found your own town, construct a great Ziggurat, and become the King!

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Free
Released
Price
Free
Players
πŸ‘₯ Not stated
Reviews
0% of 1

My City is a free-to-play life simulation game where you forge your own path. You start with nothing but a tent and your dogβ€”no apartment, no money, no security. From there, you decide how your life unfolds.

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$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ Not stated

Moddable and Hostable as a server for others to join and adventure, build, or fight. Jump into a new voxel game that is as powerful as it is fun! Experience a new level of detail and special features that keep the game interesting and fun.

$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
100% of 11

A cozy pixel-art office sim powered by your real Pomodoros. Focus sessions earn cash + XP β€” decorate, hire staff, level up. Music, ambience, break-time minigames. Productivity tool by day, tycoon by every minute.

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