Here are the list of the Neapolitan Major scale for Caustic 3, copy the whole text from below to use.
*Neapolitan Major: 1 2 2 2 2 2
*Leading Whole Tone: 2 2 2 2 2 1
*Lydian Augmented Dominant: 2 2 2 2 1 1
*Lydian Dominant b6: 2 2 2 1 1 2
*Major Locrian: 2 2 1 1 2 2
*Altered Dominant #2: 2 1 1 2 2 2
*Altered Dominant bb3: 1 1 2 2 2 2
Neapolitan Major
Leading Whole Tone, Lydian Augmented #6
Lydian Augmented Dominant
Lydian Dominant b6
Major Locrian
Half Diminished b4, Altered Dominant #2
Altered Dominant bb3