pokémon black version and white version are two role-playing games (rpgs) in the "pokémon" series made by game freak for the nintendo ds. the games were released in japan on september 18, 2010, in europe on march 4, 2011, in north america on march 6, 2011, and in australia on march 10, 2011. the games have 156 new pokémon, which brings the total to 649. these games introduce the largest amount of pokémon in any generation.