However, the difficulty of these classic SNK titles is legendary. You will bleed through quarters (or continues) faster than a Rebel Soldier drops a pistol. That’s where cheats, unlockables, and hidden mechanics come into play.
While standard modern ports often include built-in cheat menus, the PSP version handles things a bit differently. If you are struggling to survive the relentless hail of alien lasers, military tank shells, and zombie vomit, this comprehensive guide will show you how to unlock hidden features, utilize save states, and apply CWCheat codes to achieve ultimate victory. 1. Official In-Game Unlocks and Secrets
Whether you choose to unlock the galleries naturally using the token system, extend your playtime with the Metal Slug 6 infinite continue trick, or go completely invincible using CWCheat codes, the Metal Slug Anthology remains an absolute masterpiece on the PSP.
When you are close to an enemy, your character automatically performs a melee slash instead of shooting. During the exact animation frame that the knife strikes, your character's hitbox disappears for a fraction of a second. You can use this to phase through stray enemy bullets. Vehicle Armor Flash Exploitation Metal Slug Anthology Psp Cheats
: Complete all seven games on Normal difficulty with limited continues.
Below are the most popular raw CWCheat codes for the anthology. Copy these into your cheat.db file:
While on the title screen:
In Metal Slug 3 (Mission 2), getting hit by a zombie turns you into one. As a zombie, you cannot use regular weapons or jump high, but you are completely . Furthermore, your grenade button unleashes a devastating screen-clearing blood vomit attack. Use this transformation strategically to wipe out alien hordes effortlessly. 3. Master the Slug Avoidance (I-Frames)
: This code originated on the PS2 version. Many PSP players report it does not work or is extremely finicky. Infinite Continues
: Initiates special throws that grant temporary invincibility frames. 3. CWCheat Codes (Custom Firmware Only) However, the difficulty of these classic SNK titles
Once CWCheat is installed, you can create a ULUS10154.ini file for the US version of the game and add the following codes: Metal Slug 2/X Cheats _L 0x01138597 0x00000063 Invincible [P1]: _L 0x01138836 0x00000064 Infinite Bombs [P1]: _L 0x01143669 0x00000063 Infinite Arms [P1]: _L 0x0114366C 0x000003E7 Max Score [P1]: _L 0x01145B8E 0x00009999 Metal Slug 3 Cheats Infinite Arms [P1]: _L 0x015A5E1A 0x000003E7 Infinite Bombs [P1]: _L 0x015A5E14 0x00000063 How to Activate Cheats on PSP
Cheat: Select Player’s Weapon Start
Hold down the button for three seconds during gameplay to open the CWCheat menu, select "Enable Cheats," and toggle your desired modifications. For PPSSPP Emulator (PC, Android, iOS) While standard modern ports often include built-in cheat
Metal Slug Anthology for PSP is a compilation of classic Metal Slug run‑and‑gun titles (Metal Slug 1–6, Metal Slug X, and Metal Slug 3 [depending on region]) ported to the PlayStation Portable. Players often seek cheats, unlockables, and gameplay tips to access secret content, powerups, and alternate endings across the included games.