You can play PS2 games on your PS3 if you have the right model. Learn how to tell if your PlayStation 3 is PlayStation 2 backward compatible.
3 Ways to Play PS2 Games on a PS3 - wikiHow
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
3 Ways to Play PS2 Games on a PS3 - wikiHow
Were there any benefits to the Fat PS3 vs. the slim other than some fat PS3's had backwards compatibility with PS2 games? - Quora
PlayStation 3 60GB System Backwards Compatible Plays PS1 PS2 And PS3 Games : Video Games
PS3 Backwards Compatibility: Play PS2 Games on PS3
Playstation 3 Backward Compatibility (PS2 Playable) - The Tech Edvocate
Playstation 3 Backward Compatibility (PS2 Playable)
Which PS3 Is Backwards Compatible With PS2 - Guide - PlayStation Universe
PS5 backwards compatibility guide: PS1, PS2, PS3, PS4, and more