Clear all games on Easy difficulty with limited continues.
: The anthology has a legitimate, built-in "Infinite Continues" toggle in the game options. This allows casual players to beat every game without needing external codes. CWCheat (Advanced) : For those using emulators or custom firmware, the CWCheat database Metal Slug Anthology Psp Cheats
Here is a cheat sheet of the cheats and codes outlined in this guide: Clear all games on Easy difficulty with limited continues