virtual boy
The first console capable of displaying true 3D, via parallax. To make the console cheaper, it was only capable of displaying red and black. These and other contributing factors led to eye strain and headaches during use.
It didn't do very well.
http://en.wikipedia.org/wiki/Virtual_Boy
http://tvtropes.org/pmwiki/pmwiki.php/UsefulNotes/VirtualBoy