3 ** save screenshots of the levels in files (and use them in the menu)
4 ** frame for the end of the level (back, replay, next level)
5 ** create one level per item, then levels with more items
6 *** e.g. item1, item2, item1+2, item3, item1+2+3, ...
7 ** intro animation (from target item to start position)
8 ** use dds files in place of png/jpg
12 ** do intro video with moviepy
14 ** magnet, road cone, bucket
16 ** itch.io's client works with wine: functional tests for windows-itch.io