If Escher Designed Video Games

I think that the only responsible use of a time machine would be to go back in time so that M. C. Escher could make video games. I would give anything to see what he could do with the Portal engine and the concept from his "Relativity" lithograph.

EDIT: Oh man, so somebody fro 4chan did this a year earlier and a lot better than I did. Check it out!