>>54815685Platinum made a lot of sprites weird by using inbetweens from the DP animations
BW2 tweaked some music for the worst (e.g. the gym leader theme, the wild pokemon theme, the trainer theme)
Emerald made Wallace the champion when Steven was tougher, if they wanted a superboss, they should have just added Elite 4 + champion rematches
USUM story changes are worse