One of the classics, this is the only Pokemon game to be remade (Omega Ruby and Alpha Sapphire), therefore you can assume it was pretty good. Great graphics and difficult/challenging/inventive gameplay.
Black 2 and White 2 have an amazing post-game. Catching Legendaries, challenging trainers in Black Tower or White Treehollow, challenging previous Gym Leaders and Champions in the Pokemon World Tournament. Also, for the first time, it's got a difficulty setting where you can change it to easy or challenge mode.
Even though it added wifi, the region itself was dry bland. It didn't have many mind blowing places like i had expected from the DS ability and it wasn't that difficult. Also, the rival and gym leaders were boring or flat out annoying. I wish they would have skipped this and gone right to Unova. Team Galatic was ok though, not great like Aqua and M
This was the worst game in the series. So easy compared to the other titles in the franchise, X and Y felt like Nintendo was trying to reach a younger generation through its simple playing style.