There are one red and one blue version so far.Your mission is to be the greatest Pokemon trainer ever and try to catch all 150 Pokemons.

One problem, not all 150 Pokemons are all gonna be found on one game.Link up your Gameboys with a friend and trade!The trading part was probably what helped contribute the popularity of Pokemon in Japan and now, the U.S. The only thing different between the red and blue version of the game is the Pokemons. All the story, bosses, item locations, and game play should be the same. The main goal of the Pokemon game is to find, capture and train all different kinds of Pokemons.

You'll start of the game with three different choices of tamed Pokemons at the beginning of the game. There are 150 Pokemons that are divided into 15 categories which are based by a Pokemon's characteristic or element (water, fire, bug, etc.) You are able to customize your own Pokemons by training them and making them evolve. You can capture your Pokemons in battles but you don't fight in the battles...your Pokemon does it for you.After wearing down the other Pokemon, you can capture it and store it in a Monster Ball and add it to your collection. If you give your Pokemons enough training and skill, you can help your Pokemons evolve and grow into stronger Pokemons.Pokemon for Gameboy is available now in stores.

Green is just the same as red and blue, but has different pokemons.Yellow has a bit different cause u start with Pikachu and Gary starts with Eevee.And the graphics are better than the others.