I'm going to have to echo Russ and Xplics here, even though you try to pretend it doesn't exist Kouen:
Bubsy 3D. Rented that from a video-game store once because I'd played the original on the Mega Drive/Genesis (I was a horrible sequel-whore at the time, even though even the original was pretty damn bad), and I don't think I've ever had QUITE as bad a gameplay experience in my life.
With the exception of Big Rigs over the Road Racing, of course, but I knew what I was in for when I downloaded that for a laugh.