So far really love this. Playing the hard version.
Little tweaks on this hack are really fun.
The unexpected roster (and even moveset) of Brock was impressive enough.
Catching Nidoran and Mankey was really helpful for dealing with it.
Also, I like the way you distributed TM (including move tutors). Early earning TMs are very useful and bring a new experience.
Sometimes, those early TMs feel too good, probably you may design the distribution based on the extreme mode?
For now, reaching Cerulean city and I am surprised again because,
And I also found a little bug. Ivysaur does not learn Sludge at the level 19.