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 391–400 of 464 games matching Base Building · updated 12 Oct 2026

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65% of 11,654

Command Mobile Outpost and take XEN Firearm to venture deep into the Signet surveillance off-limit area. Collect unique Weapon Units. Amp up the firepower of the Outpost that fights with you. This is an FTD game - FPS, Tower Defense, Base Building and much more all at the same time.

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62% of 2,033

TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment

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👥 Up to 4 players
Reviews
83% of 4,310

In Lightyear Frontier you use your powerful trusty mech to farm on a large beautiful alien planet. Settle your homestead, farm and deliver produce to remote colonies, gather and manage resources, build, craft, explore, expand, improve your mech, meet neighbors, and make a place to call your own.

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$ · Cheap
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👥 Not stated
Reviews
63% of 19

The One is a game in which your goal will be to explore the world alone or in a group three years after the zombie apocalypse. However, the problem will turn out to be not only zombies, but also others who managed to survive this time behind the gates of the bunkers.

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$ · Cheap
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👥 Not stated
Reviews
59% of 37

"Broken World" is an exciting post-apocalyptic low-poly game where players have to survive in a world overrun by zombies and chaos. Build and strengthen your shelters, fight various threats and explore a dangerous world full of secrets and dangers.

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Released
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$$$ · Expensive
Players
👥 Up to 4 players
Reviews
59% of 3,013

Embark on scientific expeditions with this new off-road adventure game. Lead research missions as you drive a variety of all-terrain vehicles, using high-tech tools and managing your camp and crew to ensure your success in the wild.

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62% of 682

KeepUp Survival is an open-world base-building and exploration game set in a natural, abandoned world. Build, gather, survive, and shape your own story on a mysterious island.

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67% of 1,103

Paradise isn't exactly what you hoped for: it's infested with zombies! Thankfully, you can control them. Capture them and teach them to farm or fight. They will help you defend our camp while you explore the world looking for… a new paradise.

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