Want to see one of the hardest games ever created? Someone modified the levels of Super Mario World to be incredibly hard, and they call it “Kaizo Mario”. Here’s level one being played
Now if you want to see something even crazier, how about 134 people playing that level at the same time? That’s right, 134 different plays of this level all superimposed on top of each other.
For a better explanation of that video, and what it has to do with quantum physics, you’d be better off reading the creators homepage: http://msm.grumpybumpers.com/?p=20