>-New Hero and Rival, but same starter Pokemon.
-The journey starts in a new town called Aspertia City, located in South West of the Unova region.
-The Unova Pokedex features 301 Pokemon. Four are Legendary Event Pokemon, while the others can be found between the two versions. More Pokemon can be seen when given the National Pokedex.
-All of the gyms are either modified or completely new and each one has its own unique theme music.
-A new area called Pokestar Studios features a movie-making minigame to go along with Pokemon Musicals in Nimbasa City.
-All previous GYM Leaders and Champions from other regions -- with the exception of Koga from Red and Blue -- can be battled in the Pokemon World Tournament.
-A new "Free Space" bag has been added to your Items Bag. Move groups of items from other bags to the free space bag.
-Use repel instantly after losing the effects after the last repel.
-Items can now be sorted by type, name, from most, and from fewest.
-Using an Everstone while breeding will now ALWAYS pass down the Nature to the offspring.
-White Forest no longer has wild Pokemon.
-Pokemon Dream World will have even more Pokemon with Black 2 and White 2. The -Pokemon will also determine where you go in the island of dreams.
New features. Spoiler alert :>
>-Bianca is now Professor Juniper's assistant. She will give the Hero and Rival their starter Pokemon.
-New locations are accessible all over Unova. Mainly in the North East and South West.
-Cheren is now the Normal type GYM Leader of Aspertia City.
-The game features a new story that takes place 2 years after BW, involving a new version of Team Plasma.
-Roxie and Marlon are two new GYM Leaders. They are Poison (Roxie) and Water (Marlon) type trainers.
-Alder has a grandson named Banjirou.
-Iris replaces Alder as the Unova Region Champion.
-Drayden replaces Iris as the Opelucid City GYM Leader.