Fortunately all is open to interpretation. I personally have never beaten Wet and Wild, which is now Enemy #1. My personal ranking of W&W would be "Requires a Lift Kit", and maybe something other than 31's.
"http://31.media.tumblr.com/tumblr_ltdcmumKWy1qii6tmo1_500.gif"
"http://31.media.tumblr.com/tumblr_ltdcmumKWy1qii6tmo1_500.gif"