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 361–370 of 464 games matching Base Building · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
56% of 508

This game unearths the essence of adventure by combining elements of exploration and puzzle-solving. The game’s appeal lies in its interactive gameplay mechanics, where your choices dictate the progression of the story.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
75% of 4

Sundermead is an open-world, casual RPG where you can build a farm to live peacefully out in the wilderness with your friends. Beware though, there is more to this land than first meets the eye!

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
90% of 7,686

Survive, craft, and automate in this free prologue set on one of the planets you can transform in Eden Crafters, an open-world game where you play solo or with friends to turn a hostile planet into a habitable haven for humanity.

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Not listed
Released
Price
Not listed
Players
👥 Not stated
Reviews
83% of 6

Dive into the indie MMORPG, Rebellion Against Rebellion! Embark on a magical journey in a world of enchantment, shaped by mystical crystals. Acquire magical abilities, collect characters, and pets on epic adventures! Join now for an uplifting, enchanting experience!

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$
Released
Price
$ · Cheap
Players
👥 Up to 2 players
Reviews
100% of 8

Try this small real time strategy and roguelike game where you need to defend your base against multiple waves . Each run you will have to choose between unique units and unique buffs.

$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
79% of 10,543

A new Viking age dawns with you at its helm. Forge a thriving colony from nothing in this mythic open-world survival sim. Earn the gods' favor and survive in a land ruled by ancient terrors and unforgiving seasons. Rally unique villagers, expand your settlement and defend your tribe - solo or co-op!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
52% of 23

On a mission to explore a secret island discovered by the military, your plane crashes, leaving you as the sole survivor. Now, on the Island of the Condemned, your only concern is to survive and escape at any cost.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
76% of 317

Pilot a dwarven mech and fly a dragon as you build and defend outposts across a shattered magical realm. Craft, explore, and survive the dangers of floating islands corrupted by the Taint in this action-packed survival RPG with base-building and co-op.

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