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 1–10 of 18 games matching Game Development Β· updated 12 Oct 2026

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
80% of 15

Start in 1980 in your garage and build your software empire. Unlock languages from BASIC to Python, develop projects, hire programmers and upgrade your office. Survive deadlines, bugs and demanding clients in this tycoon simulation.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
100% of 4

Program Your Own Danmaku! Touhou Creator is a Danmaku programming game where you can create Touhou Spell Cards using a simple programming language.

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Free
Released
Price
Free
Players
πŸ‘₯ Not stated
Reviews
72% of 140

Explore unique & immersive booths from your favorite games. Watch exclusive trailers, compete in mini-games, and connect with players, creators & developers from around the world. All inside a living, free multiplayer experience.

$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
94% of 18

An unusual gift has arrived for you. Upon opening it, you discover an adorable pet that is now yours to care for. Keep your new companion happy and healthy by feeding, petting, and nurturing them in My Little Someone.

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
83% of 6

A game developer life and company management simulator where you build, grow, and dominate your own studio. Play solo, or collaborate and compete with friends in multiplayer.

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Free
Released
Price
Free
Players
πŸ‘₯ Not stated
Reviews
48% of 31

Gaunts Gambit is a multiplayer first person shooter game. Set in an abandoned school left empty because of a rampant virus,Β former students sneak back in fighting over control of the grounds and buildings.

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$$
Released
Price
$$ Β· Standard
Players
πŸ‘₯ Not stated
Reviews
81% of 1,276

Brickadia is a next-generation brick building sandbox that gives you the tools to create and play, your way. Build massive worlds, invent cool contraptions, and play in them however you like - all with your friends!

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$
Released
Price
$ Β· Cheap
Players
πŸ‘₯ Not stated
Reviews
0% of 1

Ever wanted to create a game? This is your chance! Development of Evolvion is community-driven. In general, it is an online multiplayer persistent world where players cooperate to achieve common goals. How the game evolves is up to you!

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