If you are a (Javascript) developer, you might want to take a look at this: GDevelop.js: parts of GDevelop compiled into Javascript
GDevelop.js, the library powering GDevApp, is now available as open source. You can use it to manipulate GDevelop games using Javascript (either in a browser or in Node.js). 
Look at the examples on the GitHub page (see github.com/4ian/GDevelop.js/blo … es/demo.js in particular) to see what you can do.