Online co-op Software games

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

Showing 11–20 of 29 games matching Software · updated 12 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
93% of 148

A tiny desktop worm pet that moves when you type, click, or play. Dress it up with hats and skins, park it in a pocket where its gaze follows your mouse, and let its Anti-Shrimp reminders nudge you to sit up and stretch.

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
46% of 13

Welcome to MASS, a vibrant 3D avatar-based social platform and metaverse game! Create your personalized avatar, chat and make friends from around the world, play fun games together, and hang out in amazing virtual worlds.

If you loved these, you'll love this

$
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!

Free
Released
Price
Free
Players
👥 Not stated
Reviews
61% of 31

Multiverse Designer is a 3D virtual tabletop and map creator, a unique toolbox for storytellers. Create any kind of scene, environment, character or cutscenes you can imagine, for any setting from fantasy to sci-fi, horror, cyberpunk..., in the most immersive RPG experience you've ever played!

If you loved these, you'll love this

$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 9

Dragon Inn is a visualization tool designed for online role-playing games, helping you play 5th Edition—or any ruleset—more easily. Create private rooms, invite your friends, and keep track of your stats, equipment, spells, and more.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
88% of 34

<oiia> is the ultimate meme game featuring a cozy single player desktop pet mode and a challenging 4 player party mode. You can also use the Steam Workshop to create your own friendly talking companion.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
98% of 230

Piano in online multiplayer lobbies, with leaderboards, gamified training modes (ear, sheet, rhythm and falling notes). Play any song using either a QWERTY computer/laptop keyboard or a piano. Suitable for all levels including beginners with no experience!

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

Dungeon Board is a virtual tabletop and companion app that puts you in control. Author your encounters and play them out with friends! Now with built-in multiplayer via Steam, or screen share with your friends!

If you loved these, you'll love this