JavaScript can be used to write part of a game, alongside with events

GDevelop supports adding JavaScript code blocks at any point in the events of your game. It's a good way to implement a complex algorithm or reuse functions from open-source libraries. Events and code blocks can seamlessly be mixed together - so you can implement parts or even the totality of your game with JavaScript!

The JavaScript editor is based on the super powerful Monaco Editor, extracted from Visual Studio Code. Intellisense autocompletions are provided and the editor supports advanced features like multi-selection for faster coding.

GDevelop is modular and can be extended to suit your needs. In particular, all features available to games (objects, behaviors, events) are based on a extension system. You can quickly create new extensions for your game or contribute to existing ones as GDevelop is [open-source](https://github.com/4ian/GD).

The Dark theme being used in GDevelop. The code editor also comes bundled with several beautiful themes!