I am pretty sure that you will find yourself an authentic master of the Libgdx
AssetManager class after going over this chapter as you are now able to load and unload whatever you want, whenever you want, but wait! It means that you will have to manage all the resources that will appear in your game one by one. Definitely, masters don't like to work on repetitive tasks that can easily lead to errors.
Undoubtedly, the answer is to group assets. This is why we will tweak the default Libgdx
AssetManager class a little bit in this recipe. Group organization might vary depending on the scope and type of game, so it is up to you to decide whether you will group per level, characters, menus, and so on, and what ...