When you have Metal Slug 4 in Console mode, pause it. Press pause again. A debug menu pops up.
NOTE: If it says "___ Option" (ex: 1st Option) then it isn't tanslated.
| Code: | Result: |
| TEST STAGE | First 4 options show pictures of Marco, Trevor, Fio, and Nadia. Last 4... make the game crash. |
| 1st Option | Goes back to pause, without the darkened screen. |
| 3rd Option | Level Select. Press Left or Right to change area in level. Bottom level (8) is the demo that plays. |
| 5th Option | Music and Sound test. Press A to play music, Press B or C to play sound effect. Bottom option exits menu, and resets game. |
| 6th Option | Resets the game. |
| Setup Debug DIP | Tons of odd, non-translated options |
Beat the final mission with any character (get a new picture each time you do this)