Pokemon ancient.
in a time 100's of years in the past. were pokemon were caught with ancient items, more brutal rough trainers. more anarchy.
set maybe in early victorian Britain type civilization in a lost world sort of enviroment. old fashioned poke-balls, types only just being discoverd, the yea olde pokemon gernal prehaps charecters ancestors, such as oaks great granddad. legendary being hunted cruelly by an old fashion team rocket.

alternate evos for ivysaur, wortortle and charmeleon. celibi encounters, maybe a pokemon plague and a 8 wonders of the world sideshow gyms.
new starters but chosen for by a godly pokemon. and mentions of the future games, like red blue, gold silver ect..
old moves.