The problem is that the button that says "get steam key" doesn't appear anywhere in the download page, this is a screnshot of my download page of the game:
Very strange.. steam keys have worked for other users (and there's plenty of unused keys). Maybe you could message itch support? In the meantime you can email me at ianlilleyt at gmail for a key
The problem is that the button that says "get steam key" doesn't appear anywhere in the download page, this is a screnshot of my download page of the game: