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 201–210 of 464 games matching Base Building · updated 12 Oct 2026

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$ · Cheap
Players
👥 Not stated
Reviews
100% of 4

HyperCoven is an old-school, fast-paced RTS where there's no time wasted collecting resources. Capture Coven all over the map, which will summon from among 55 unique units for you – for free. Only make sure they’re not snatched from you. Did we mention the map has no borders?

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$$ · Standard
Players
👥 Not stated
Reviews
89% of 165

Sandbox Survival in VR. Face a frozen wilderness solo or in co-op - build a shelter, craft tools, hunt for food, and manage your resources to endure harsh conditions. Strategize your moves against unpredictable weather and lurking dangers. And remember to keep yourself safe and sane!

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Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
56% of 193

Rescue the scared little Ragamuffins from the human world and clean up all evidence of their existence. Mop stains, burn poop, and get rewarded with high tech gear and upgrades. Save enough, and you can even expand your home, decorate it, and live happily ever after with your fluffy little friends!

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
87% of 1,166

The Scouring is an RTS with fast pace, high attention to detail and next generation experience. Lead humans or orcs in a Classic Mode or use one of powerful Heroes to fight for victory! Play alone or with friends. Use our modding tools to create maps and custom game modes! Join The Scouring!

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Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
97% of 39

Cats Go! is a defense game blending strategy, cooperation, and direct combat. Grow mutant plants to protect your village! Whether you prefer to play solo as a brave defender or team up with friends online. Not feeling cooperative? Slip into the role of a devil cat and secretly sabotage the village!

Free
Released
Price
Free
Players
👥 Up to 3 players
Reviews
46% of 9,274

Stormgate is a free-to-play real-time strategy game with a full single-player campaign, 3-player co-op, and PvP versus modes on over 60 maps. Our Editor is also freely available for you to craft just about any custom game mode you can imagine. Join our development journey today!

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Released
Price
$$ · Standard
Players
👥 Up to 6 players
Reviews
68% of 881

Play solo or co-op with up to 5 players to find oil, store crude, refine fuels, and sell them at gas stations and shop. Dig for gems and fossils, upgrade your gear, lease new land, and dominate the city as the biggest oil supplier!

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
93% of 111

Embark on your asteroid hauling career with Veritago Fortana. Start with a basic ship and earn credits to upgrade, customise and repair as you try to fulfil larger and harder contracts. Built exclusively for VR, use your own hands to build, wire and fly using 100s of interconnecting components.

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