How do we make Sonic more interesting? Well, let's reverse the concept. Rings give the player health and points. What if rings just made Sonic fat, making them something to avoid at all costs? Imagine the fun! Or you can just watch the embedded video.
You can actually download the files for this hack yourself from here. Just don't ask me how to install it, because I have no idea. I'm not much of a hacker.
Poor Sonic. You would think that the calories he burns from running help to some extent, right? Plus I feel like if he's gaining weight so rapidly and spinning around like that, he really should just end up vomiting, right?
It's an easy fix. You just gotta let the enemies hit you from time to time :P