Pokémon PureGreen is a purist's enhancement of Pokémon Blue based on the pokered disassembly. The goal is to enhance the original games for excellent replayability without including features from later games. Pokémon PureGreen is a part of Pokémon PureRGB which includes Pokémon PureRed and Pokémon PureBlue. These versions are identical except for minor visual differences.