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 451–460 of 464 games matching Base Building · updated 12 Oct 2026

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Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
86% of 1,629

Play solo or in co-op with friends, take control of the hive and protect it from enemies. Build factories and defence, research technologies and, if necessary, use nuclear weapons, but do not let the enemies harm the queen!

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Released
Price
$$ · Standard
Players
👥 Up to 9 players
Reviews
69% of 69

Lodestar sends you and your squad of friends on your own space odyssey. Traverse multiple planets in a journey to get home without losing yourself or your ship to the perils of the unknown! Solve puzzles, gather resources, mine asteroids, and survive... with your own oh-so welcoming AI sidekick!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
60% of 127

Crash-landed in the universe of Cantata, will you expand your empire or bring peace to the war torn planet? Grow your army, manage resources and discover the colourful planet of Shoal, its people, and the armed forces overrunning this land in this genre-defining Grand Tactics game.

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Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
88% of 132

You suddenly enter a whole new world empty-handed. Start a whole new adventure all your own. Farming, fishing, building, cooking, alchemy and living a quiet life. Or is it fighting monsters, learning skills, building equipment and discovering the world's hidden secrets? Or maybe I want them all.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 1–5 players
Reviews
16% of 6

Survive the post-apocalypse world. There's a predator who's going after you. This is Online and local party games enjoyed by 1 to 5 players. you have to Survive in an end-of-life world.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 2 players
Reviews
91% of 159

Join the rebels in a third-person shooter with RPG elements and base-building mode. Fight against various combat drone models under the control of the supreme AI.

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
54% of 294

Produce your soldiers, upgrade their equipment, and battle your way through a chaotic castle! Team up with 1–4 players in Online Co-op or PvE, plan your strategy, and be the first to destroy the enemy castle.