Generation I marks the beginning of the Pokémon series and was introduced in 1996 with Pokémon Red, Green (Japan), Blue, and Yellow. This generation established the core gameplay mechanics still used today, including capturing Pokémon, battling, evolving, and challenging Gym Leaders.
Key Features
Region: Kanto
Total Pokémon: 151
Games: Red, Blue, Green (Japan), Yellow
Simple graphics and sound compared to later generations