>>12135552The other games are alright.
FRLG had a low level curve, but the bosses were especially easy compared to HGSS's titans like Clair.
Emerald can be troublesome post-gym#6 thanks to the overabundance of water routes, but it generally isn't a problem.
Platinum's is mean early on. The third gym (Ghost) and the fifth gym (Water) have especially cruel teams compared to yours, but no complaints anywhere else.
BW1 had a bizarre post-game level scale but hey, who's scared of a level 65 Weedle after beating the game?
BW2's level scale is perfect.
/opinions