Is the PS5 backwards compatible with PS2, PS3, and PS4 games?
Full PS5 Backwards Compatibility with PS4, PS3, PS2, and PS1 Games Hinted At By Ubisoft - YouTube
Recently there's an influx of “PS5 backwards compatible” articles on google reporting it will play ps1 through ps4 titles. If it's true, much respect to Sony. : r/PS3
Backwards Compatibility - PlayStation 5 Wiki Guide - IGN
PS5 will be backwards compatible with "almost all" top PS4 games - FlatpanelsHD
PS5 Backwards Compatibility: How to Play PS4 Games on PS5