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Note: As of 2022, Greenworks has no active maintainer and is no longer in active development. While many games continue to use greenworks successfully in production, depending on your needs, you might want to consider alternatives:

Feel free to add a PR for other alternatives. Again, many projects use greenworks successfully, so this might still be your best choice.


  • Greenworks is a node.js addon that allows you to integrate your HTML5 game (or app) with Steamworks by exposing a number of Steamworks APIs to JavaScript.
  • Greenworks was originally developed by Greenheart Games to enable Steam integration in Game Dev Tycoon. Since then, it has been open-sourced and is used in many other projects.
  • Currently Greenworks supports:
    • node v0.8, v0.10, v0.12, v4, v5, v6, v7, v8, v9 and v10
    • NW.js v0.8, v0.11+
    • Electron v1.0.0+
    • Steam SDK v1.42
  • Greenworks is built using Native Abstractions for Node.js to support different node versions.
  • The project is currently funded by Greenheart Games and other donors.


Prebuilt binaries of Greenworks for NW.js & Electron can be found on the releases page.

You can also download daily automated builds for a variety of platforms (electron, nw.js, node) and systems (Windows, Mac Linux - 32/64 bit). This is site is graciously provided by @armaldio.


Guides and the API references are located in docs directory.


Greenworks is published under the MIT license. See the license file for details.


If you use Greenworks, please let us know at @GreenheartGames and feel free to add your product to our product list.