The Gay Gamer: Five PSP games you should have played, but probably didn't
Might as well throw my own opinions into the mix. Here is my personal tier list, although keep in mind it's been a really long time since I've played the PSP games
All PSP Video Game Releases - Metacritic
55 Best PSP Games Of 2022
30 Underrated PSP Games That Are Worth Revisiting
How to Download PSP Titles to PS Vita – PlayStation.Blog