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