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 301–310 of 464 games matching Base Building · updated 12 Oct 2026

Filters: Base Building × Clear all
$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
80% of 5

Sandbox Apocalypse is a 3rd person view, open world post-apocalyptic survial game where you are responsible for your own fate. Survive in a world inhabited by zombies, gather loot, build your base and explore the world.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
80% of 15

It's time for the Food Rush! Customize your very own restaurant to your liking, provide fast service and get high streaks of customers served for some extra cash! Hire staff to keep your franchise running and manage your ever-increasing upkeep and other financial matters. Oh.. and rush that food!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated

Co-op Survival Adventure! Team up as Interstellar Outlaws aboard a newly seized Spacecraft, navigating the vast Galaxy in search of fortune. Embrace the thrilling opportunity to explore uncharted worlds while fortifying your defenses against the dark forces!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
70% of 44

Stardust Exile is an RTS set in the Milky Way galaxy, containing currently known stars and exoplanets with their real characteristics. The remaining star systems are procedurally generated. It has both online mode and single-player skirmish mode. The online server is persistent and single-shard.

$$$
Released
Price
$$$ · Expensive
Players
👥 Not stated
Reviews
82% of 1,884

From the developers of Warhammer 40,000: Gladius, ZEPHON is a post-apocalyptic 4X strategy game built on Proxy’s unique tactical combat system. Guide survivors through a turbulent future, navigating unexpected disasters, eldritch horror and cyberpunk monstrosities. What will you do to survive?

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
74% of 6,639

Sengoku Dynasty is the ultimate feudal Japan experience: build villages, grow your community, and shape the open world through combat or economy. The choice is yours alone - or that of up to 4 players in multiplayer co-op!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
64% of 3,084

Techtonica is a first-person factory automation game with a gripping mystery about mining your way out from the depths of an alien planet. Explore bioluminescent caves, mold destructible terrain, construct a massive subterranean factory. Dig your way toward answers & discover the secrets of Calyx.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
74% of 2,321

「IfSunSets」 is a survival RPG adventure game. During the day, secure necessary supplies across the island, and survive the night against strong and terrifying monsters that track you down. You can utilize resources you've secured to build a base to fend off threatening monsters.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
46% of 15

Command history's most iconic war vessels as you build your own massive naval fleet. Level up important tech modules and prepare to dominate the oceans!

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

In It's A Farmer Thing, you purchase a peaceful island. Raise animals, tend to crops, mine for resources, or pick apples – all without any pressure. Play solo or with friends. The game offers a laid-back, humorous atmosphere, Base Building and supports all languages with customizable language files.

If you loved these, you'll love this