PlayStation 4 ended 2018 with more than 91 million consoles sold | Mashable
PS5 vs PS4 Sales Comparison - January 2022
Putting The PlayStation 4's 91.6 Million Sales Into Context
Sony PlayStation unit sales by console 2021 | Statista
Updated numbers show PS4 with at least 65 percent of two-console market | Ars Technica
Chart: Nintendo Switch Passes PS4, Looks Unlikely to Catch PS2 | Statista
PlayStation 4 Sales Flatten, As Sony Predicts Slow Decline - Variety
U.S. PlayStation unit sales by console 2022 | Statista
Sony releases numbers of its best selling games and studios | NeoGAF
PlayStation 4 lifetime unit sales by region 2022 | Statista
Physical console games are quickly becoming a relatively niche market | Ars Technica
Best selling Sony games | Video Game Sales Wiki | Fandom
The PS4 Has Now Sold 53.4 Million Units Worldwide, With 6.2 Million Sales Over The 2016 Holidays
Sony PlayStation quarterly game unit sales 2022 | Statista
Mat Piscatella on Twitter: "First up, PlayStation 4 - Grand Theft Auto V is the best-selling game on PS4 life to date, while Red Dead Redemption II is currently ranked #2. Marvel's
Switch vs PS4 vs Xbox One Global Lifetime Sales - January 2021
Witcher 3's Sales By System--How The Game Has Sold On PC, PS4, Xbox One, And Switch - GameSpot
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech
10 Best-Selling PlayStation 4 Games of All-Time
List of best-selling game consoles - Wikipedia
PS4 vs Xbox One vs Switch: Console and Game Sales Numbers - 2019 | Hooked On Tech
Global PS4 console unit sales 2021 | Statista
Sony Reaching Impressive Revenue Sales, Most Of Them In Q4
PS5 vs PS4 Sales Comparison - November 2021
Xbox One vs PS4 vs Switch: Console and Game Sales Numbers - 2020 | Hooked On Tech