Generation I (sometimes referred to as the Color Generation due to the names of the versions released) was the very first set of games introduced in the Pokémon franchise. The games begin Pokémon Red and Pokémon Green in Japan, which are later joined with a third version Pokémon Blue and a special edition Pokémon Yellow. They were released on the Game Boy while Pokémon Stadium for the Nintendo 64 in Japan. These games featured the 151 Pokémon starting with Bulbasaur. Chronologically, Red, Green, Blue and Yellow take place in the same timeline as Generation III.