Metal Slug Anthology for the PSP doesn't feature traditional built-in cheat codes (like those found in older console versions). Instead, players typically rely on or TempAR on custom firmware (CFW) to modify game values . Cheat Engine / CWCheat (For CFW Users)
| Effect | Cheat Code | |--------|-------------| | Unlock Ralf & Clark | ↑, ↓, ↑, ↓, ←, →, ←, →, L, R, ╳, ○ (Title screen) | | Unlock all galleries | On title: Hold L + R, then ↑, □, ↓, ╳, ←, △, →, ○ | Metal Slug Anthology Psp Cheats
| Unlockable | Requirement (No Cheats) | | :--- | :--- | | | Beat the game without using a continue. | | Sound Test | Collect 50 "POW" hostages cumulatively. | | Marco’s Original Art | Beat Metal Slug 1 with a score over 2 million. | | Golden Slug (Cosmetic) | In Metal Slug X, finish Mission 3 without firing your main cannon—only melee and grenades. | | MS6 Character Art | Beat Metal Slug 6 as Ralf & Clark. | CWCheat Metal Slug Anthology for the PSP doesn't
Mastering on the PSP requires a mix of skill, patience, and sometimes, a little help from internal secrets or external codes. This definitive collection brings together seven classic titles—from the original Metal Slug to Metal Slug 6 —into one handheld package. | | Sound Test | Collect 50 "POW" hostages cumulatively
| Effect | Cheat Code | |--------|-------------| | Unlock Eri & Fio | ↑, ↓, ↑, ↓, ←, →, ←, →, L, R, ╳, ○ (Title screen) | | Play as Trevor or Nadia | ↑, ↓, ↑, ↓, ←, →, ←, →, L, R, □, △ (Title screen) |
While most cheats for the PSP version rely on CWCheat or external tools, a specific button combination can sometimes trigger a hidden menu or debug options depending on your game version.
Most bonus content is earned through gameplay rather than button codes. Easy Tokens: Metal Slug 3