Genesis was the US name for the mega drive.
The Mega-CD was the upgrade.
(
gronkpan https://twitter.com/VomitingLarry,
Sat 13 Aug 2005, 17:35,
archived)
i still have a mega cd
/thinks about getting it out and setting it up
EDIT: cant be arsed
(
Malaka omdz,
Sat 13 Aug 2005, 17:43,
archived)