The 64DD is an add-on peripheral for the Nintendo 64 video game console. The add-on accessory was designed to extend the functionality of the Nintendo 64 and address many problems that third-party developers and publishers were complaining about developing for the Nintendo 64 console.
The Super Game Boy is a hardware peripheral for the Super Nintendo that allows the console to play Game Boy cartridges. Released in June 1994, the Super Game Boy is an evolution of the Wide Boy peripheral that was designed to provide developers with the ability to play and test handheld games on television screens.
The 3DO Interactive Multiplayer is a fifth-generation home video game console designed by “The 3DO Company” and manufactured by various companies such as Panasonic, GoldStar and Sanyo. The system was the first fifth-generation console to launch on the market and quickly became commonly referred to as just the 3DO.