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 31–40 of 464 games matching Base Building · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 1–10 players
Reviews
87% of 32

Soulslike-inspired open-world survival RPG for 1-10 players. Master fluid combat with precise parries and dodges, defeat epic bosses, craft & upgrade gear, build your base, and share items with friends. Your progression persists across every world — play solo or with friends.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
51% of 109

Western Rye is an open world survival crafting adventure game set in the old west American Frontier. Create your dream outlaw! Survive the the wild west, farm, build your ranch, endure the weather, fight and forge your legend with friends or alone. In Western Rye, the wild west just got wilder!

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$$
Released
Price
$$ · Standard
Players
👥 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
$ · Cheap
Players
👥 1–8 players
Reviews
100% of 1

IRONVALE is a survival-crafting roguelike for 1–8 players. Gameplay is split into a day/night cycle, where crafting, resource gathering, and building primarily happen during the day -- but at night, swarms of enemies attack the player and they must fight to survive.

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$$
Released
Price
$$ · Standard
Players
👥 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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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
85% of 162

The evil goddess seeks to devour and remake the world… and you are what stands in her way. Fight and kill, expand your skill tree, craft and build, and lead the world’s people to victory in Din’s Champion, a multiplayer fantasy action-RPG where every choice matters, and the choices are endless.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
97% of 480

When humanity fell, chickens took over. In this multi-perspective survival shooter, play as Earth's new ruler—a chicken! Scavenge loot, fortify base defenses, hold off zombie hordes, and launch the rocket. Ahem... or just throw a wasteland party for the survivor lady!

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$$
Released
Price
$$ · Standard
Players
👥 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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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
84% of 38

Lead your small caravan on a great journey across the ancient world, in a story-driven base-building RTS where protecting your family and friends matters more than conquest.