DAYS GONE PS1 VS PS2 VS PS3 VS PS4

Included PS Plus Premium and Extra games confirmed so far

Bad news - the PlayStation 5 definitely won't play PS1, PS2 or PS3 games

PlayStation 3 - Wikipedia

Will PS5 be backward compatible with PS1, PS2, and PS3? - GameRevolution

PS4 Backwards Compatibility: Can I play classic games on PlayStation 4?

PS1 vs PS2 vs PS3 vs PS4 vs PS5 through first two holiday seasons

CALL OF DUTY MODERN WARFARE 3 PS1 VS PS2 VS PS3 VS PS4 VS PS5

PlayStation Boss Says One In Four PS5 Owners Didn't Own A PS4

PS Plus Premium Brings PS1, PS2, PS3, and PSP Games to PS5, PS4

Resident Evil Director's Cut and more PS1 classics playable on PS4/PS5

Is PS3 an improved PS2? I don't see much difference between the two. Does the same thing apply with PS4 and PS5? - Quora

From PS1 to PS5, total PlayStation console and handheld sales hit 579 million

The Best PS2 Games of All-Time, Ranked

BITFUNX RetroScaler PS2/PS1 Wireless Controller Adapter - Supports PS2/PS1 Game Console, Compatible with PS3/PS4/PS5, Xbox One S, Series X/S, Switch Pro Bluetooth Controllers : Video Games

Playstation 4 Game Controller Backlit Sign Wall Art Video