This is traditionally associated with the console versions (PS2/PSP) to access hidden settings, though its functionality may vary depending on the specific regional version of the anthology. Unlockables & Secrets
While the Combat School is loading, rapidly press Square until the menu appears. The instructor will ask if you want to chat. Metal Slug Anthology Psp Cheat Codes
X (Start) yet. Instead, hold the L Shoulder Button and R Shoulder Button simultaneously.You can quickly earn tokens to unlock everything in the gallery by using this save-load trick: This is traditionally associated with the console versions
: Typically granted after beating the games or accessible through the "Free Play" setting in the options menu for specific titles. The "Easy Token" Exploit Go to the Game Select screen