PS4 is the king of software with 1.5 billion games sold, dethrones PS2
PS4: 100 games expected in 2014, console "generally sold out" | VG247
List of best-selling PlayStation 4 video games - Wikipedia
Global PS4 annual unit sales 2020 | Statista
PlayStation Sales Numbers, Revenue & Users (2023)
PS5 vs Xbox Series X / S Sales: PS5 Sold Twice as Many Units Worldwide
PlayStation Sales Numbers, Revenue & Users (2023)
Sony declares PlayStation 5 stock shortages over as it sells the most PS5 consoles ever - NotebookCheck.net News
PlayStation 4 Units Sold Surpass 91.6 Million Worldwide
A Comparison of Playstation 4 Models
PlayStation 4 Sales Exceed 91.6 Million Units Worldwide - IGN
PS4 game sales top 1 billion all-time, says Sony - Polygon
Sony sold as many PS5s in first 12 hours as PS4 did in 12 weeks | KitGuru
PlayStation 4 lifetime unit sales by region 2022 | Statista
PS4 Sales Hit 70.6 Million Units As of December 2017
PS4 has sold over 1 billion games and 106 million consoles
What Sony's "4.2 million PS4s sold" figure actually means
What is the best selling video game console of all time? How many units did it sell globally (not just domestic)? - Quora
PlayStation 4 - Wikipedia
PlayStation 4 Slim review: Wait for the PS4 Pro if you can | Engadget
Final Sales Number For The PS4 Is Staggering
Sony: Over 50 Million PS4 Units Have Been Sold Since 2013
Sony Talks PS4 Sales Figures, Microsoft Backfires – GameSkinny
What Sony's "4.2 million PS4s sold" figure actually means
List of best-selling game consoles - Wikipedia
PS4 has now sold through over 91 million units, with about as many PSN active users | VG247
Analyst: 2017 Was The Best Year for PS4 With 20.2 Million Units Sold Last Year | GAMETRANSFERS | N4G
Global PS4 console unit sales 2021 | Statista
