Physical console games are quickly becoming a relatively niche market | Ars Technica
Global PS4 console unit sales 2021 | Statista
Switch vs PS4 Sales Comparison - June 2022
Switch vs PS4 vs Xbox One Global Lifetime Sales - January 2021
Final Sales Number For The PS4 Is Staggering
U.S. PlayStation unit sales by console 2022 | Statista
Physical console games are quickly becoming a relatively niche market | Ars Technica
10 Best-Selling PlayStation 4 Games of All-Time
The Best-Selling Video Game Consoles of All Time
The PS4 Has Now Sold 53.4 Million Units Worldwide, With 6.2 Million Sales Over The 2016 Holidays
PS4 vs Xbox One vs Switch: Console and Game Sales Numbers - 2019 | Hooked On Tech
Putting The PlayStation 4's 91.6 Million Sales Into Context
List of best-selling PlayStation 4 video games - Wikipedia
Updated numbers show PS4 with at least 65 percent of two-console market | Ars Technica
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
Witcher 3's Sales By System--How The Game Has Sold On PC, PS4, Xbox One, And Switch - GameSpot
PS5 vs PS4 Sales Comparison - January 2022
Sony Reaching Impressive Revenue Sales, Most Of Them In Q4
PlayStation to break 6 billion game sales by mid-2023
List of best-selling game consoles - Wikipedia
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
PS5 vs PS4 Sales Comparison - August 2021
Sony PlayStation unit sales by console 2021 | Statista
