Well, if you want to play a fan game close to the official fan games, you can try mine: Pokemon Chronicles. I recreated the fire red game + some events from yellow + crystal and some events from gold or silver + emerald + some events from ruby or oras + some events from HGSS and one aditional region from the anime series, orange region. = You start in Kanto, then sevii isles, orange archipelago, johto and hoenn, it ends on the battle frontier, since that i'm still working on hoenn last maps, which is from the last badge, league and battle frontier, the current version ends at the sootopolis entrance. And at the moment, i'm revamping the hoenn maps into fire red style, so all the regions have the same style. It's a big game, and it recreates pratically everything from the official games, even it's game mechanics, i added some aditional and usefull ones, which you can decide to use or not. Don't know if it's this you are searching for but i just mention this in case you want to try it.