Some content cannot be unlocked with standard cheat codes but requires you to beat the games legitimately on specific difficulty settings. The collection tracks whether you use unlimited continues or limit yourself to the arcade standard.
Unlike modern games, Metal Slug Anthology doesn't use traditional button-combo cheat codes (like the Konami code) to unlock gameplay modes. Instead, you earn rewards by completing the games under specific conditions. Metal Slug Anthology Psp Cheats
The Ultimate Guide to Metal Slug Anthology PSP Cheats, Unlockables, and Strategies Some content cannot be unlocked with standard cheat
Clear all 7 games on difficulty with Limited Continues. Desktops 1 Metal Slug Anthology Psp Cheats
You can unlock various bonus items for the gallery by completing specific tasks within the games: