Pretty cool (almost) 5 hour Tetris: The Grand Master documentary available on YT

I am only one hour in but I am really enjoying this so far. Might have to break it up over a few days but luckily its split in to chapters. Goes in to the development, the pro/high level scene and the mechanics of TGM, as well as how the design of it came about. Really crazy in-depth (as you'd...