Focus entirely on freeing POWs and staying alive until the end of the stage.
Codes were tested on UMD version 1.0 and PSN digital release. Emulators may have different input lag – enter codes slower if needed. Metal Slug Anthology Psp Cheat Codes
A common issue PSP players face is not a cheat, but a glitch that seems like one. Because the PSP has fewer buttons than an arcade stick, the developers mapped "Scroll Lock" (to prevent the screen from moving) to a combination of buttons (usually holding the D-pad diagonally or holding a specific shoulder button). Focus entirely on freeing POWs and staying alive
If you are using a PSP running Custom Firmware (CFW) or playing via the PPSSPP emulator, you can bypass the token grind entirely using . These memory-editing codes grant true arcade cheats like invincibility and infinite heavy weaponry. A common issue PSP players face is not
Perfect for when you want to experience the story and art without the punishing difficulty of the original arcades.
Metal Slug Anthology on the PSP contains a wealth of hidden features and content, including:
To unlock all games, it’s faster to clear the games on lower difficulties first, then tackle the harder modes for additional rewards.