: Set to 2x PSP or 3x PSP . Going higher adds minimal visual improvement due to the original sprite layouts but strains your CPU.

: Ensure your game version matches the .ini filename. If you are using a European ISO, a file named ULUS10214.ini will be ignored completely. Check the top bar of your PPSSPP window while running the game to confirm its exact ID.

_S ULUS-10214 _G Metal Slug Anthology [US] _C0 Infinite Lives P1 _L 0x002DDB6C 0x00000063 _C0 Infinite Bombs P1 _L 0x002DDB74 0x00000063 _C0 Infinite Credits _L 0x002DDB50 0x00000063 Use code with caution. Weapon & Firepower Visual Enhancements

: These cheats are general suggestions. Specific codes can be found on gaming forums and cheat databases dedicated to PSP and PPSSPP games.

_C1 Unlock All Gallery Items _L 0x201C3F40 0xFFFFFFFF _L 0x201C3F44 0xFFFFFFFF Use code with caution. Troubleshooting Cheat Issues on PPSSPP

Best practices for responsible enhancement

To use these codes, you need the and the PPSSPP Emulator (Android, Windows, or iOS). Step-by-Step Instructions: Open the Game: Load Metal Slug Anthology in PPSSPP.

_C0 MS1 Rapid Fire _L 0x200011C8 0x0A000000

# Infinite Metal Slug Vehicle HP _C0 MS6 Vehicle Invincible _L 0x206B2050 0x42C80000

These codes unlock all gallery images, art, and music, effectively maxing out the "extra" content.