In my Digital Games Design and Development lessons in college I was tasked to create a slide show of my planning, progress, development and choices pertaining to my the fist game I create using GameMaker Studio 2. The following are a few slides from my project which show some of the planning that went into producing the game.
the font is too small to read, I wonder how you planned the assets
and did you manage to produce the game, the planning looks very promising