Online co-op Game Development games

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

Showing 11–18 of 18 games matching Game Development · updated 12 Oct 2026

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
100% of 2

Botomy is a challenging strategy game where players program their character to compete in online multiplayer battles. Use the built in Javascript editor or run your own controller in any language/framework you like. Can your bot reach level 30?

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
51% of 914

"Last Remains" is a highly challenging multiplayer zombie survival game. Players must survive in a city overrun by the undead, scavenging for food, arming themselves, avoiding zombies, searching for loot, plundering other survivors, and finding any possible way to escape.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
91% of 23

Create, discover and share levels, compete for the best times and discover hidden secrets. In this sandbox platformer, whether you're a triangle, circle or square dictates how you solve puzzles and clear levels! Each shape has their own unique abilities that completely change the game.

If you loved these, you'll love this

$$
Released
Price
$$ · Standard
Players
👥 Up to 8 players
Reviews
85% of 526

A sandbox fighting game with built-in creation tools to create characters and stages. Animate pixel art characters using our 3D pixel art rotation technology, then battle with up to 8 players! Use our tools to export sprites for your own projects.

If you loved these, you'll love this

Free
Released
Price
Free
Players
👥 Not stated
Reviews
87% of 8

Jump in solo or with friends! Virtual Live Arena (VLA) is now live!—a new platform where you can experience a wide variety of VR entertainment.

$
Released
Price
$ · Cheap
Players
👥 Not stated

The ultimate 3D Virtual Tabletop, Dungeon 3D is light-weight, incredibly easy to use, and extremely robust. It has everything you could possibly need to run full sessions, create gorgeous 3D maps, access character sheets, initiative, dice rolling, animated and customizable avatars, and so much more!

Free
Released
Price
Free
Players
👥 Not stated
Reviews
80% of 1,630

Enter a novel digital universe with infinite possibilities. Whether you resonate with people around the world in a casual conversation, playing games and socializing or you riff off each other when creating anything from art to programming complex games, you'll find your place here.

If you loved these, you'll love this