The microprocessor behind the Sega Genesis was the Motorola 68,000. It was the same one in Apple Macintosh computers from 5 years before. It had become inexpensive enough for Sega to become more profitable and developers knew how to use it already which made third parties more likely to develop for it.
The Sega Genesis was the first video game console with age ratings on the box. Though these did change when the industry agreed to use ones by the ESRB.
The Sega Genesis Power Base Converter was an adapter that allowed backwards compatibility with Sega Master System games.
Sega was famous for bragging about “blast processing” on the Sega Genesis versus the Super Nintendo. Later, people who worked for Sega at the time admitted this was mostly just a bunch of bull. The only truth is that the Sega Genesis did have a faster processor than the Super Nintendo.
Phantasy Star II on the Sega Genesis retailed for a whopping $99.99.