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 161–170 of 464 games matching Base Building · updated 12 Oct 2026

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$$$
Released
Price
$$$ · Expensive
Players
👥 Up to 5 players
Reviews
81% of 4,823

Rebuild hope in a world that was lost in the fog. Lead your Pioneers across the isles of Pagonia, unite scattered tribes, raise thriving communities and discover the history of your people as you reclaim your world in the new story campaign.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
100% of 7

Yondel is an open-world PvE survival crafting adventure. Gather, craft, farm and build as you explore a procedural world, fight dangerous creatures, brave dungeons, descend to Floor -10, and survive changing weather alone or in co-op.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
32% of 520

Dark Orbit is a free-2-play space MMO where three companies battle for galactic domination. Customize ships, trade resources, fight aliens and uncover a grand conspiracy on your epic cosmic journey. Thrilling PvP and PvE missions await! Will you lead your faction beyond the final frontier?

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
66% of 3

Conquer. Build. Survive. A tactical strategy game on procedural hex grids - intense, deep. Plan every move: establish your base, secure supply lines, and unleash suppression fire against all who stand in your way. Research new technologies - improve your units. Play solo, co-op, or PvP.

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
75% of 16

Survive solo or team up with friends online on a vast forest island. Fortify your base, craft tools and weapons, set traps, and fight off hostile creatures. Search for your missing friend, then decide whether to escape or make the island your home.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
16% of 6

Blacksmith Simulator Co-Op is a medieval simulation that combines survival, building, and trade. Gather wood and ore to develop your base and character, forge powerful weapons, and survive across three regions themed around Snow, Castles, and Egypt. Fight monsters and grow through trade!

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
62% of 299

Ars Notoria is an open-world survival crafting game set in a rich fantasy world. Learn six distinct schools of magic, gather resources, build your base, expand your influence, and stand against the ever-shifting threat of the Enthralled. You are the one destined to change the kingdom.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
77% of 599

4-player co-op, zombie slaying, base building, boss battling mayhem! Cleanse the infected wave by wave and upgrade your base with traps & defenses in Ultimate Zombie Defense 2!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
80% of 10

Become a knight and conquer the lands for your king and yourself! Manage your towns and resources, command your armies and peasants, and maybe even bring your fellow knight friends to assist in your quest. Feudal shenanigans await!

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
50% of 4

Experience an intense multiplayer PvPvE extraction shooter set in a vast post-apocalyptic world. Scavenge, duct-tape random objects into deadly weapons, fight both players and AI enemies, extract valuable loot, upgrade your base and return stronger each raid.

If you loved these, you'll love this