Pokémon Crystal Version is a role-playing video game developed by Game Freak and published by Nintendo for the Game Boy Color in Japan in 2000 and internationally in 2001. The game is an enhanced edition of the 1999 titles Pokémon Gold and Silver and the final of the second generation of games in the Pokémon franchise. Crystal featured several additions to the core gameplay of its predecessors, including additional story elements, a new Battle Tower area, the option to play as a female character, animation of Pokémon sprites during battles, and other minor fixes and improvements.