Here is all the usefull link that I have use to start with the Flame Engine
–https://flame-engine.org/ the base site of the package
–https://docs.flame-engine.org/latest/ the documentation – If you find a link on the web, verify that you are on the latest version (and not in an old diffrent version, it append to me quite often!)
–https://docs.flame-engine.org/latest/tutorials/tutorials.html Usefull tutorial to better understand the Flam Engine. It can also be a base for your game depending of what you want to build
–https://examples.flame-engine.org/ their example website, it contain a montain of interaction showcasing all that can be made with the Flame engine. Try it before starting to develop your own game