I honestly didn't know this was a thing. That is, until I stumbled on this video discussing the lost McDonald’s DS Game. At first I thought that the video title was just clickbait. I was proven wrong! In 2010, McDonald’s Japan collaborated with Nintendo to create a brand new software program to train part-time McDonald’s employees. Watch to learn more about this odd collaboration that turns out to be one of the rarest Nintendo DS games of all time.