User blog comment:Wildoneshelper/"Almost impossible" difficulty?/@comment-4617941-20140829084950/@comment-24525016-20140829142209

Levels that is even harder than "insanely hard" can make the whole episode even harder, for example, level 289 can make Funky Fortress' difficulty spike, whereas level 147 (pre-nerf) can make Cookie Cabana much harder.