Want to play old games on your PS4? Here's what you need to know about PlayStation 4 backwards compatibility and PS4 backwards compatible games.
PS5 patent teases PS1, PS2, PS3, PS4 backwards compatibility
Is it possible to get PS1,PS2, or PS3 games to work on PS4? - Quora
Can you play PS3 games on PS4? PlayStation 4 backwards compatibility explained
Is the PS4 backwards compatible with PS3 and PS2 games? - Quora
HOW TO PLAY PS3/PS2/PS1 GAMES ON PS4
Is the PS4 backwards compatible with PS3 and PS2 games? - Quora
Can You Play PS3 Games on a PS4?
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Can you play PS3 games on PS4? PlayStation 4 backwards compatibility explained
PS4 Backwards Compatibility: Can You Play PS1, PS2, and PS3 Games on PS4?