Woah is this really your first project? It's really amazing, there's even a save system and an option menu. The story is very intriguing. I have played the browser version, so the final cutscene wasn't working but I guess I won? I love such a hand drawn pencil art style!
You should improve the input detection it's really frustrating when you click multiple times for something to work. And the levels at the end feel a lot copy pasted, since the layout are all the same.