Petition · Sony, make the PS4 backwards compatible with a patch update · Change.org
NEW PS4 Backwards Compatibility News Update - Microsoft Takes Shots at Sony - YouTube
PS4 backwards compatibility: Can You Play PS1, PS2, and PS3 Games on PS4?
PS4 backwards compatibility: Can You Play PS1, PS2, and PS3 Games on PS4?
PS4 Backwards Compatibility: Can I play classic games on PlayStation 4? | Trusted Reviews
Why do PS4 games not work on a PS3? - Quora
I love the PS4 Pro and PS5, but the PS2 will always be my favorite, here's to hoping the PS6 has all backwards compatibility but I don't think so🥺 : r/ps2
PS5 Backwards Compatibility: No Support For PS3, PS2, Or PS1 Games, Says Ubisoft - GameSpot
PS5 Rumored To Have Backwards Compatibility For PS1, PS2, PS3, and PS4
How to play PS2 and PS3 games on PS4? Sony PlayStation backwards compatibility explained - Daily Star