Fire up your emulator, load that CSO, and shout "Heavy Machine Gun!" as you blast your way through the enemy lines. Disclaimer: This article is for educational and informational purposes. The installation of custom firmware and downloading of copyrighted ISOs may violate laws in your region. Always own a physical copy of the game before creating or downloading a digital backup.
Introduction: Why Metal Slug Still Matters For over two decades, the Metal Slug series has stood as a pinnacle of run-and-gun arcade action. Developed by Nazca Corporation and later published by SNK, this franchise is famous for its hand-drawn pixel art, over-the-top explosions, hilarious enemy designs, and that unique brand of "military cartoon" chaos. metal slug psp iso highly compressed
"The game could not be started (80020148)." Fix: Your PSP lacks Custom Firmware. You cannot run ISOs or CSOs on a stock PSP. Install PRO-C or LME CFW. Fire up your emulator, load that CSO, and
Original ISO is around 300MB. A highly compressed version can drop to 150MB–200MB. Always own a physical copy of the game
Because seven games on one UMD image take up serious space. A compressed version lets you keep all seven on a standard 2GB PSP memory card. 2. Metal Slug XX (Sequel) Released later in the PSP's life, Metal Slug XX is a port of Metal Slug 7 (originally on Nintendo DS) with upgraded graphics, new combat school modes, and Leona Heidern from King of Fighters as a playable character.