You're not wrong; an intention of mine was to create a jam based on those tools (an '8D Jam' using whatever engine was one of them) and that may still happen, but this is kind of my way of shoehorning the spotlight. But, they are all optional!
I'll try to get references somehow, sometime onto the page ;v; patchwork has put Aqua in many of his games but Nil doesn't have a sprite. For a halfway sorta proper Nil reference you can find her in the following short.