Gamers Compete In The U.K. Halo World Championships Final 2016 [Getty Images]

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A person dressed as a Master Chief, a character from the Halo video game franchise, stands in the auditorium as fans watch professional video-game players compete in the semi-final round of Halo (developed by 343 Industries and published by Microsoft Games Studios) U.K. World Championship Finals 2016 at the Gfinity Arena in London, U.K., on Sunday, Jan. 17, 2016. ESports, which now attract some 200 million viewers around the world, could become a $1 billion business by 2020. Photographer: Luke Macgregor/Bloomberg via Getty Images

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Liam Healy, a professional video-game player also known as Barrage Godshot, of team Infused competes against team Epsilon eSports, during the semi-final round of Halo (developed by 343 Industries and published by Microsoft Games Studios) U.K. World Championship Finals 2016 at the Gfinity Arena in London, U.K., on Sunday, Jan. 17, 2016. ESports, which now attract some 200 million viewers around the world, could become a $1 billion business by 2020. Photographer: Luke Macgregor/Bloomberg via Getty Images

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Characters from the highly-anticipated videogame Halo 5: Guardians appeared on Bondi Beach and in the City on October 15, 2015 in Sydney, Australia.

BALZERS, LIECHTENSTEIN - OCTOBER 30: Master Chief stands guard during the HALO 4 launch by Xbox 360 on October 30, 2012 in Balzers, Liechtenstein. Xbox 360 became the only brand to ever transform the Principality of Liechtenstein by taking over iconic landmarks, including a 13th century castle to create a real-life 'Halo' universe within the heart of Europe. Halo 4 on Xbox 360 will be launched on November 6, 2012. (Photo by Getty Images for Halo by Xbox 360)