Online co-op Building games

Every online co-op Building game on Steam we know of, newest first. Add tags or a price band to narrow it down.

Showing 521–530 of 577 games matching Building · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
85% of 27

Manage a team of industrious workers to create buildings in different architectural styles. Explore various designs, craft elaborate building elements and CREATE! You can also play with friends in co-op mode!

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$
Released
Price
$ · Cheap
Players
👥 1–16 players
Reviews
69% of 36

Minigame Madness is a high-difficulty multiplayer party game for 1-16 players online. Compete with friends or strangers in an ever-growing collection of frantic minigames to unlock shiny badges, design stylish outfits & create awesome condos! BOTS coming 2026!

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$
Released
Price
$ · Cheap
Players
👥 Up to 4 players
Reviews
84% of 210

Defend against hordes of zombies in this fun filled top-down shooter. Build and upgrade your base, unlock powerful guns, and take on challenging bosses with up to 4 players in online co-op. Play minigames to earn bonuses and survive the zombie apocalypse one night at a time!

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$$
Released
Price
$$ · Standard
Players
👥 Up to 4 players
Reviews
72% of 301

Ikonei Island is yours to discover! Explore and gather resources. Farm the land, craft tools and gear, and build your base or a cozy home. Befriend magical creatures and fight monsters with your friends or solo!

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
66% of 15

FIREWORKS FRENZY is a Small multiplayer fireworks game, with hundreds of fireworks and multiple maps, that tries to give you the experience and the feeling of the beautiful fireworks to blow up stuffs together.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
33% of 3

Slow down time, spawn tornadoes, change gravity, create your own maps, play maps created by others! All kinds of missiles, grenades and charges, different sized tornadoes, black holes, earth shatters. Different material types to build from with their own properties. All that and more in this Sim

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