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)
If playing via an emulator like PPSSPP, you can use .ini or database files to enable advanced modifications like: : Constant special weapon ammo. Invincibility : No damage from bullets or hazards. Max Score : Instantly sets player score to 9,999,999. Review: Metal Slug Anthology (PSP) Metal Slug Anthology Cheats, Codes, and Secrets for PSP Metal Slug Anthology Psp Cheat Codes
If you are using an emulator or a modded PSP with the CWCheat plugin enabled, you can access the cheat menu and paste the following raw codes. Note that these codes often differ based on the region of your ISO (USA vs. Europe/Japan). Metal Slug Anthology For on the PSP, there
: In console mode, pause the game and then press pause again to reveal a hidden debug menu. Infinite health (P1 & P2) Infinite ammo (all
: Simply complete an Arcade Mission once to unlock the ability to choose that mission directly later. The "Infinite Tokens" Exploit
on Hard difficulty. Save your game immediately as the boss dies. Let the credits roll to earn 5 tokens, then reload that save to repeat the process indefinitely CWCheat Codes (For Emulators or Custom Firmware) If you are using the emulator or a PSP with custom firmware, you can use