Clear all games on Normal difficulty with limited continues.

If you're looking for more cheats and tips, here are some additional resources:

Choose or Metal Slug 5 and set the difficulty to Hard . It's highly recommended to also switch your settings to Unlimited Continues (this doesn't affect the exploit and makes reaching the end much easier).

_C0 Infinite Lives P1 _L 0x002D3A16 0x00000063 _C0 Infinite Ammo P1 _L 0x102D3A24 0x000003E7 _C0 Infinite Bombs P1 _L 0x002D3A28 0x00000063 Use code with caution. Metal Slug 5 Cheats

Note: For Metal Slug 6, you must clear the game's specific Hard Mode (defeating the Invader King) to satisfy these requirements. CWCheat & External Codes (NTSC-U)

Beating games with 5 or fewer continues is often required to earn specific completion milestones or "trophy" equivalent rewards. Metal Slug Anthology review | Eurogamer.net

If you want a smoother cheating experience, play the anthology on PS4/PS5 or PC with a cheat menu. On PSP, master the D-pad rhythms — or just enjoy the infinite continues and blast your way through history.

: During Mission 4, enter the Rebel Army secret factory. When facing the boss in a Level Armor suit, throw exactly two bombs at the boss's head and do not fire the machine gun until the rocket animation starts. The first rocket will contain a box of bombs.

Prisoners of War (POWs) often give you better weapons (Heavy Machine Gun, Shotgun) that make clearing waves much faster. Summary Table: Unlockable Gallery Contents Unlockable Complete Easy Tonko Art Gallery Complete Normal Desktops 1 Complete Hard Desktops 2 & Special Music

Please note: These codes are known to work well with PPSSPP v1.12.3+. However, use them with caution, as using unofficial modifications can sometimes cause unexpected bugs.

While the portability of the PSP version is fantastic, the brutal difficulty of these arcade ports remains intact. Quarter-crushing difficulty spikes can easily frustrate modern gamers looking to enjoy the beautifully detailed animations and explosive action. If you are struggling to beat the alien forces in Metal Slug 3 or just want to cause absolute chaos with infinite ammunition, this guide covers everything you need to know about Metal Slug Anthology PSP cheats, unlockables, and gameplay strategies. The Reality of Built-In Cheat Codes

Use special weapons and grenades endlessly.