Black and Pokémon White Version (2010) are the first and only entries in the main series of games to feature a dynamic season cycle.
The region of Unova is based on the New York and New Jersey region, making Black and it's companion Pokémon White Version (2010) the first in the main series of games to feature a region not based on regions of Japan.
The design of Thundurus is inspired by Raijin, the Shinto god of lightning and thunder. Raijin was also the inspiration to an earlier unused design for what would become Raichu, the evolution of Pikachu.
This video game takes place in the Normal Timeline of the Pokémon multiverse, together with Pokémon FireRed Version (2004), Pokémon LeafGreen Version (2004), Pokémon Emerald Version (2004), Pokémon Platinum Version (2008), Pokémon HeartGold Version (2009), Pokémon SoulSilver Version (2009), Pokémon White Version (2010), Pokémon Black Version 2 (2012) and Pokémon White Version 2 (2012).
The main characters are Hilbert and Hilda.