PS5's PS4 backward compatibility works like a charm - Polygon

PlayStation 5 plays PS4 games with steadier frame rates, faster load times, and only some minor concerns through backward compatibility. Our impressions of PS4 games on PS5, and the DualSense controller, are here.

Hands On: PS5 Backwards Compatibility - The Good, the Not Bad, and the Ugly

TouchArcade – iPhone and iPad Games

Steins;Gate: My Darling's Embrace - Wikipedia

Hands On: PS5 Backwards Compatibility - The Good, the Not Bad, and the Ugly

PS5 will be backward-compatible with 'almost all' of the best PS4 games at launch

These PS4 Games Break PS5 Backwards Compatibility

Hands On: PS5 Backwards Compatibility - The Good, the Not Bad, and the Ugly

The PS5 can't play these 'PS4 Only' games - GameRevolution

PS5 could be backward compatible with PS4 games

Hands On: PS5 Backwards Compatibility - The Good, the Not Bad, and the Ugly

Guide: All PS4 Games That Have PS5 Backwards Compatibility Issues - PlayStation Universe

TouchArcade – iPhone and iPad Games

Hands On: PS5 Backwards Compatibility - The Good, the Not Bad, and the Ugly

These PS4 Games Break PS5 Backwards Compatibility

Backwards Compatible - PlayStation 4 game compatibility with PS5 - Showcase - ProcessWire Support Forums