base game. Here is everything you need to know to get started. 1. The Core Game: Call of Duty: Roads to Victory

Since this is the actual game you would be emulating on PPSSPP, here is a breakdown of what to expect: Gameplay & Content

The "Call of Duty: Modern Warfare" zip files often found on third-party sites are typically fan-made mods, re-skins of other games, or malicious files. While many modern Call of Duty titles like Modern Warfare (2019) and Modern Warfare II are available on PC and modern consoles, they were never ported to the original PlayStation Portable hardware. Official Call of Duty for PSP

The "Call of Duty: Modern Warfare PPSSPP Zip" files you find online are typically Texture Packs that skin the WWII game to look like a modern shooter. How it works

If you’re curious about playing console shooters on PPSSPP, prioritize legality, safety, and authenticity: prefer official releases or verified backups of games you own, scan any downloaded archives for malware, and consult reputable emulator communities for trustworthy guidance.

The only official Call of Duty game released for the PSP was Call of Duty: Roads to Victory