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 91–100 of 464 games matching Base Building · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
82% of 1,919

Step into the ultimate open-world witch adventure. Befriend and battle creatures, and conjure up a sanctuary alongside other witches in co-op or single-player.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 5 players
Reviews
81% of 3,631

Solarpunk is a survival game in a technologically advanced world of floating islands. Alone or together with your friends, you can construct buildings, grow food, craft gadgets and hop on your airship to explore distant islands in the sky.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
80% of 5

While trapped in a stunning procedurally generated wilderness, engage in brutal hand-to-hand combat with a notorious drug cartel producing dangerous illegal drugs to uncover the mysteries of their crimes.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
73% of 68

"Collapsing World" is an innovative tower defense game blending deck-building and roguelike mechanics. Recruit unique companions, craft powerful skill decks, and tackle randomized stages. Deep strategy breaks the traditional TD mold—every run is a fresh challenge!

Free
Released
Price
Free
Players
👥 Not stated
Reviews
88% of 472

Farm RPG is a menu based farming RPG/MMO. Build your farm, grow crops, fish, craft, and explore. Unlock a variety of exciting daily activities as you progress. Engage with helpful townsfolk and collaborate with fellow players in a vibrant community for trading and teamwork.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
100% of 2

TYPER3000 is a strategic typing game that combines precise typing with action survival and tower defence. By typing quickly, you control attacks, activate defences and adapt to increasing waves of enemies. There is also a multiplayer and COOP function.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
80% of 2,411

Explore endless Universe and create the most efficient constellation of colonies. Build conveyor systems to automate production. Take care of Astronauts and their needs! Establish new colonies as part of intergalactic simulation.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
63% of 38

A real-time strategy military game that lets you directly command your units, with no build times and impressive 3D visuals. Set in a post‑apocalyptic Europe - form alliances with other commanders, fight for resources and territory and rise in honor as a war commander.