Whether you are fighting General Morden in MS1 or surviving the zombie level in MS3 , the compressed format ensures the action never stops to ask for more storage space. Now, reload your Heavy Machine Gun, throw a grenade, and shout "Rocket Launcher!"—the mission is a go.

, which are the primary ways to play the series on PSP. While compression makes the file size significantly smaller for storage, the core gameplay and technical performance remain the focus of these reviews. Metal Slug Anthology This collection includes Metal Slug 1 Gameplay & Content

: Features the series' signature hand-drawn 2D sprite art and challenging gameplay.