Here are a few of the woeful products that truly put the "d'oh!" in Nintendo. No offense, Mario.
The Virtual Boy (1995)
In 1995, the term "virtual reality" was all the rage. And that's the predominant feeling most gamers were left with after plunking down cash on Nintendo's nauseating attempt to immerse players in a "true 3D game world." A cross between a Game Boy and a Viewfinder, the bulky device's monochromatic display had gamers seeing red, while the lack of games (only 14 were released stateside) sealed its fate as one of the worst-selling game consoles ever.