BERLIN, GERMANY - APRIL 23:  BERLIN, GERMANY - APRIL 23: A video gaming fan play games with a Oculus Rift Head-Mounted Display at the A MAZE. International Independent Video Games Festival during the International Games Week Berlin trade fair on April 23, 2015 in Berlin, Germany. The International Games Week Berlin highlights trends in video gaming but also brings together industry professionals from April 21-26 at events across the city. (Photo by Axel Schmidt/Getty Images) (Photo by Axel Schmidt/Getty Images)