Mark said the Sega Genesis was great by itself, but Sega tried to make it last longer, with add-ons such as the Sega CD. He notes that there are two different consoles. He notes that Sega must have thought that bigger is better. He said his favourite part is the "foam thingy". He said the games discs themselves weren't that exciting. He did say that the cases can shatter easily.
It is interesting to note that this review made it into Smosh's Rediculously Awful YouTube Reviews 8 Rediculously Awful YouTube Reviews.