No. Black Ops was only on DS and home consoles. Any download titled "BOPS PSP CSO" is a heavily modified homebrew or a virus.
. A "highly compressed" CSO version can reduce this size, but extreme compression (e.g., down to 100 MB) often results in missing content like cutscenes, music, or game stability issues. Standard Size Range : Most playable PSP titles range between 200 MB and 800 MB. How to Play
Let’s break down why.
We have to address the elephant in the room. Why is everyone searching for compressed PSP games?
: Because the PSP lacks a second analog stick, the game features four specialized control schemes, typically using the analog stick for movement and face buttons for aiming.