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 211–220 of 464 games matching Base Building · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
99% of 455

Keflings may be small, but their kingdom-building adventures are gigantic! Build a world with your friends in A World of Keflings! Harvest resources, construct robots, befriend a dragon, and help a creepy witch get even creepier in this update of the classic 2010 city-building adventure.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
74% of 143

Transform and manage your dream hotel in vibrant Miami! Renovate your property, delight your guests, and boost your income. Expand your offerings with vending machines and food services to become the ultimate hospitality tycoon!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
25% of 4

Open world, multiplayer, survival fantasy setting. Create your custom character, Craft tools, learn spells, loot your enemies. explore through arid deserts, snowy tundras, murky swamps, windy meadows and deep forests. Build a base to stash your rewards or rest from your travels.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
57% of 14

点燃你的战魂,投身乱世掀起惊天风暴!化身铁血诸侯,号令三国名将,统领无敌雄师,在真实还原的三国版图上纵横沙场,血战四方!

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
51% of 1,184

Dreadzone is a survival game set in a deadly quarantine zone. Scavenge for resources, craft tools, build shelter, and survive against dangerous animals, zombies, mutants, and other survivors. Explore the zone where desperation drives everyone to do whatever it takes to survive.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
94% of 51

Voxel Eras is a game about collecting, crafting, and automating within an infinite 3D voxel world. Taking your humble workshop made with your own two fists through eras of technology. Design, build, and evolve your operations, all in the name of progress.

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$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
92% of 10,737

Gird your loins and sharpen your steel! Besiege 20 unique enemy lords and battle friends online, in this expanded remaster of the classic 'castle sim'. Relive history with new units, opponents, visuals, audio, campaigns, skirmish trails, co-op and larger maps.

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$
Released
Price
$ · Cheap
Players
👥 Up to 7 players
Reviews
66% of 3

Tower Arena Survive (TAS) is a dynamic mix of roguelike and tower defense, where your castle becomes an impregnable fortress. Use 80+ weapons and 88 upgrades to balance income, damage, and defense against up to 7 foes. Buy monsters to disrupt enemy waves and change the tide of battle!

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