1 Ashcraft, Brian. "Why Arcades Haven't Died in Japan." Kotaku, February 7, 2017. Accessed: May 31, 2019.
2 Batchelor, James. "Global Games Market Value Rising to $134.9bn in 2018." gamesindustry.biz. December 18, 2018. Accessed: May 24, 2019.
3 Bountie Gaming. "The History and Evolution of Esports." Medium.com, January 3, 2018. Accessed: May 31, 2019.
4 Cobbett, Richard. "The History of RPGs." PCGamer, May 19, 2017. Accessed: May 31, 2019.
5 Donofrio, Craig. "25 Video Games That Have Made an Insane Amount of Money." Work+Money, March 21, 2019. Accessed: May 31, 2019.
6 "Gaming." Guinness World Records. Accessed: May 31, 2019.
7 Griffith, Eric. "Major Video Games Make More Money than Blockbuster Movies." Entrepreneur, November 8, 2018. Accessed: May 29, 2019.
8 Hayward, Andrew. "The 10 Biggest Esports of 2018 by Total Prize Pool." The ESports Observer, December 25, 2018. Accessed: May 31, 2019.
9 "Highest Overall Earnings." Esports Earnings, Accessed: May 31, 2019.
10 Kent, Steven L. The Ultimate History of Video Games. New York: Three Rivers Press, 2001.
11 Lah, Kyung. "Tokyo Man Marries Video Game Character." CNN: World, December 17, 2009. Accessed: May 31, 2019.
12 Luckerson, Victor. "Why ‘The Legend of Zelda: Ocarina of Time’ Will Always Be the “Best Game Ever.” The Ringer, October 23, 2018. Accessed: May 31, 2019.
13 MacDonald, Keza. "Monster Hunter: World: The Kotaku Review." Kotaku, August 9, 2018. Accessed: May 31, 2019.
14 Malim, George. "Video Games Market is Worth More than Music and Movies Combined, So Why Aren’t CSPs Launching Games Services?" Vanillaplus. July 5, 2018. Accessed: May 29, 2019.
15 Mullaney, Brett E. The Greatest Art Form: Video Games and the Evolution of Artistic Expression. CreateSpace Independent Publishing, 2013.
16 Parish, Jeremy. "The History of RPGs: How Dragon Quest Redefined a Genre." USGamer, June 7, 2016. Accessed: May 31, 2019.
17 Smith, Matt. "Nickelmania." Daily Herald, January 11, 2003. Accessed: May 31, 2019.
18 "The Father of the Video Game: The Ralph Baer Prototypes and Electronic Games." Smithsonian. Accessed: May 29, 2019.
19 "The State of Online Gaming - 2018." Limelight Networks. Accessed: May 31, 2019.
20 "What's the Glorious PC Gaming Race?" PCGamingrace. Accessed: May 31, 2019.