3 ** instantiation of the objects
4 *** model in the left side with a counter
5 *** when you click a new object is created iff counter > 0
8 ** implement the operations of the buttons
9 ** create one level per item, then levels with more items
10 *** e.g. item1, item2, item1+2, item3, item1+2+3, ...
15 ** do intro video with moviepy
16 ** itch.io's client works with wine: functional tests for windows-itch.io