Neo Genesis is the name given to the first main expansion of the Neo Series of the Pokémon Trading Card Game. In Japan, it was released as Gold, Silver, to a New World..., the second expansion in the Pokémon Card Game Neo Era. It is based on Pokémon Gold and Silver, featuring Generation II Pokémon. The English expansion was released on December 16, 2000, while the Japanese expansion was released on December 10, 1999.