From GoNintendo
- Apricorns return
- you can now grow them on the go, using the squirt bottle to do so
- the follow balls have now returned
o Fast Ball: Captures Pokémon that Flee
o Friend Ball: Increases Happiness of Captured Pokémon
o Heavy Ball: Captures Heavier Pokémon more successfully
o Level Ball: Captures Pokémon of lower levels easier
o Love Ball: Captures opposite gendered Pokémon easier
o Lure Ball: Captures Pokémon caught with the Fishing Rod easier
o Moon Ball: Captures Pokémon that evolve with the Moon Stone easier
- new Battle Frontier style facility to the west of Olivine City
- National Park's Bug Catching Contest returns
- Rayquaza is catchable later in the game at Level 50
- new area west of Cianwood City is a Safari Zone
A new safari zone, though? Gold and Silver had a national park, and not a safari zone, but it's the same thing, isn't it?

Monster Hunter: pissing me off since 2010.









It wasn't in the original Gold/Silver versions, but it may be moved to the Johto Region, it could be closed like it originally was, or there is a Safari Zone in both Johto and Kanto.