111 billion: according to research firms, that's how much revenue the video game industry will generate in 2015. (It's also roughly the same number of times we've played Mario Kart.) From the Madden franchise's remarkable success rate in picking Superbowl winners to the (likely apocryphal) story that Space Invaders drained Japan of 100 Yen coins, it's just one fascinating number from an industry that prides itself on its digits.
For a little Friday fun, we blew the dust off all our old cartridges and dug deep to tell the history of the biggest video games of all time -- by the numbers.

Sources:
http://www.mediander.com/culturemap/Sacred-Quarters/#!/connection/1
http://kotaku.com/5850494/a-man-named-knucklez-doubles-the-space-invaders-world-record
http://allincolorforaquarter.blogspot.com/2013/11/video-game-myth-busters-space-invaders.html
http://www.theguardian.com/technology/gamesblog/2010/sep/13/games-gameculture
http://www.rottentomatoes.com/m/the-super-mario-bros/
http://uproxx.com/gammasquad/2014/04/20-fascinating-facts-you-may-not-know-about-super-mario-bros/
http://www.salon.com/2003/05/05/doom/
http://wolfenstein.wikia.com/wiki/Fake_Hitler
http://www.giantbomb.com/wolfenstein-3d/3030-7694/
http://grantland.com/features/looking-back-game-myst-20th-anniversary/
http://www.pcmag.com/encyclopedia/term/39417/cd-rom-drives
http://s125.photobucket.com/user/ravingspawn/media/DSCN0590.jpg.html
http://www.giantbomb.com/final-fantasy-vii/3030-13053/forums/final-fantasy-vii-fits-on-a-regular-2gbit-cartridg-15513/
http://www.giantbomb.com/final-fantasy-vii/3030-13053/
https://www.youtube.com/watch?v=heL6FCojAbI
http://www.metacritic.com/game/playstation-2/grand-theft-auto-iii
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https://www.fanfiction.net/game/Halo/ [at time of research]
http://www.pcmag.com/article2/0,2817,2402479,00.asp
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http://venturebeat.com/2013/03/12/inside-bungie-its-headquarters-is-a-physical-homage-to-halo-photo-gallery/