Modded versions are often prone to crashing or audio errors because the PSP hardware (and its emulator) was never meant to handle complex Black Ops 2 mechanics. Legitimate Ways to Play Call of Duty on the Go
Sites like isoroms.com often require "Human Verification" by forcing users to download unrelated apps or complete surveys before revealing a link.
These zip or ISO files are designed to run on the PPSSPP Emulator for Android, Windows, and iOS. Risks of "Exclusive" Zip Downloads
Pirated or modded files from unverified sources can be flagged as viruses. While some are false positives, others may bundle legitimate-looking games with harmful "hacktools".
Searching for "exclusive download" links can lead to high-risk websites.