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 61–70 of 464 games matching Base Building · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
59% of 617

Soulbound is a pixel-art MMO with old-school skilling and survivors-like combat. Fish, mine, cook, farm and craft your way up in a shared online world, then take your build into bullet-heaven dungeons solo, with friends, or in 8-player raids. What world first will you achieve?

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
69% of 380

Every passenger is a life. Every death brings the end closer. An open world survival crafting game where you explore, scavenge, and craft to endure on the frozen exomoon Inara. Command and upgrade your ever-moving train, solo or with up to 4 players. Move or freeze.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
73% of 26

Build your base on the train. Explore the exoplanet, face dangerous wildlife, and discover what happened to the human colony on this planet. Upgrade your train and combine gear to survive in a hostile environment. Play solo or team up with friends in co-op!

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$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 2 players
Reviews
77% of 1,256

ZeroSpace is a hybrid sci-fi RTS / RPG game that allows you to play as the commander of The Protectorate, a galactic force dedicated to securing humanity’s place in the galaxy. The Orion sector is locked in a vicious power struggle between many alien factions, ready to fight to the death.

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
70% of 10

You wash up with nothing but your hands. Chop wood, build a home, and survive harsh seasons, wolf packs, and a wilderness that fights back. Along the way, a stray dog joins you if you choose to take him in, loyal to the end.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
95% of 61

Build a cloud provider from a garage to a hyperscaler - rack the hardware, run every cable, route the traffic, keep customers online. A first-person infrastructure sim where ports, power, fault domains, RSTP and BGP do real work, not flavour text. Readable for newcomers, honest for engineers.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
7% of 76

In a post-apocalyptic world build and lead your own colony under the constant threat of the undead. Recruit survivors, assign roles and decide how your group survives. Fight enemy colonies or form alliances in FPS or TPS combat.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
87% of 1,824

Ore Factory Squad is a co-op mining and factory-building game with procedural mining and fun at its core! Play alone or with friends, buy properties, dig deep for valuable resources, complete contracts, upgrade and automate production lines and grow your factory from zero to industry!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
25% of 4

Brewgether is a coop brewery sim. Run your own brewery, manage bars and employees, trade with townsfolk for different materials used in infusing the alcohol, build houses and furnish them in order to rent them out. Expand your business with new locations, brewery stations, vehicles and more.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 13

Mine ore on the Moon, send it back to Earth to earn money, and buy Skill Cores to upgrade your abilities. Use a variety of helpful equipment on your expedition — and yes, there’s a dog! Uncover the secrets hidden beneath the lunar surface.

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