I noticed while digging through the files that the Wind Fortress challenge has all the necessary gfx for playing with the retro graphics, yet when the option is selected, it just uses the new ones anyway. I can see why you can't use the original graphics in modes like Curly Story or some of the...
Thank you all for the feedback, in my brother's words: "It's good to see that people like it after all the effort I put into it. I might try something with Jenka's theme next. Whatever I make, we'll post in here."
My little brother does music stuff and I got him to make a remix containing a couple assorted songs from Cave Story and Undertale, here. He doesn't do message boards so he told me it'd be cool to just post it here to try and get some feedback. So, feedback's appreciated.
[EDIT] Figured we'll...