Fortnite is the world's highest-earning game for the second consecutive year | MCV/DEVELOP
Global F2P PC games revenue by region 2020 | Statista
PUBG was 2017's breakout success, one in three people on the planet play free-to-play games
Free to play games rule the entertainment world with $88 billion in revenue | TechCrunch
SuperData: Games hit $120.1 billion in 2019, with Fortnite topping $1.8 billion | VentureBeat
Steam names the highest-grossing PC games of 2018 - Business Insider
Top global FTP games by revenue 2019 | Statista
SuperData: Worldwide digital spending down 2% last month | GamesIndustry.biz
Chart: PCs to Become the Smallest Gaming Platform in 2018 | Statista
Nintendo's $ 2.5 billion-dollar opportunity
Fortnite Earned $2.4 Billion Last Year, 'The Most Annual Revenue Of Any Game In History' - Game Informer
SuperData: Digital games grew 12% to $113.4 billion in 2018; Fortnite earned $2.4 billion | Instant Pakistan News
Top 10 premium games of 2018 in revenue | TweakTown
Fortnite earned record $2.4bn in 2018, the 'most annual revenue of any game in history'
Fortnite tops SuperData's 2018 chart with $2.4 billion digital revenue | GamesIndustry.biz
Fortnite tops SuperData's 2018 chart with $2.4 billion digital revenue | GamesIndustry.biz
Top Grossing Mobile Games Worldwide for August 2019
EU video games industry: 2018 stats - Game World Observer
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Fortnite generated a record $318 million in revenue in May - Vox
Chart: The Biggest Free-to-Play Cash Cows of 2019 | Statista
Prediction for 2018: Mid-Core Games — Deconstructor of Fun
Global Games Market Revenues 2018 | Per Region & Segment | Newzoo
Top 10 premium games of 2018 in revenue | TweakTown
Top Free to Play PC Games by Revenue 2017 - SuperdataResearch - MMOs.com
Fortnite made $2.4 billion in 2018 as free-to-play and mobile games dominated the market
Russian Gaming Survey 2019
