I love almost all of it, but the controls really don't work for me. I keep pressing space or W to jump then fumbling the vertical aim. Other than that I think this is a great game.
I'm sorry for the lack of control remapping settings, it's something I really would have liked to implement but kept pushing off for later, until it was too late... It's definitely something I want to add in an update as soon as I can. But still, thank you for the kind words on the game!