: Beat the final boss in Metal Slug 3 or 5 , save immediately as they explode, and quit during the credits to get 5 tokens. Reload the save to repeat the process infinitely and unlock gallery items quickly. Unlockable Features
For on the PSP, there are no traditional "button-input" cheat codes for gameplay (like infinite ammo or health) built into the game itself. Most "cheats" for this title involve exploits , unlockables , or using external cheat engines/plugins . Token Exploit (Easy Gallery Unlocks) Metal Slug Anthology Psp Cheat Codes
For the average player, the is the most valuable tool, allowing you to practice specific boss patterns without replaying the whole game. For those seeking god-mode status, utilizing CWCheat via a modded PSP or emulator is the only way to achieve infinite health and ammo. : Beat the final boss in Metal Slug
: Near the beginning, hold Down to enter a floating submarine. This takes you to a secret underwater section of the stage. Most "cheats" for this title involve exploits ,
Wait for the credits to start, then quit to the main menu to receive Reload the save, let the ending play again, and repeat. Hidden Prisoners Stage 2 (Metal Slug X/2)