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 221–230 of 464 games matching Base Building · updated 12 Oct 2026

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$
Released
Price
$ · Cheap
Players
👥 1–5 players
Reviews
82% of 62

The Maze Survivor is a limited space survival game that uniquely combines the characteristics of survival, horror, puzzle solving and maze adventure games. Players will wake up in the center of a complex maze without any clues. Let's try to see if they can survive and escape from this strange maze.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
86% of 159

Crime Shop Simulator: A Prison Boss Game is a VR crafting game where you play as a shop owner smuggling illegal stuff. Produce and sell beers, erotic magazines, cigarettes, and more! But watch out, the police are cracking down on contraband!

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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
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

“Survive and rebuild on a mysterious island. Explore diverse biomes, battle zombies, craft, farm, trade, and harness electricity in this open-world sandbox adventure — alone or with friends.”

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
0% of 1

From an Indie developer in Sweden we bring you Stranded With Darkness. A base building tower-defense like game, with up to 4 player online CO-OP. Stranded on a desert like planet, gather resources during the day, defend the SOS transmitter during the night. Survive as many days as possible.

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$$
Released
Price
$$ · Standard
Players
👥 1–8 players
Reviews
82% of 5,968

An open-world survival crafting game for 1–8 players, blending intense dungeon crawling and ARPG combat with peaceful farming and creative building. Take on quests and explore a vast, procedurally-generated world full of danger and discovery.

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$$
Released
Price
$$ · 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?

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Start your world conquest with any faction you choose. Build and upgrade your production buildings. Plan and decide the composition of your army. Create your own ability deck. Challenge legendary boss to a fight. Embark on an immersive story campaign. Play with your friends.