What are some good guitar scales?

[Netwars4]

It's 1:37 AM and I'm wide awake, with a guitar.

I know Pentatonic scale, major scale, minor scale, harmonic nine scale (I think that's the name of it), and some Mexican scale, oh and harmonic minor scale.

So any others that are useful to know?

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[Pimpin]

phrygian

[Game master pro]

blues

[Jaydee]

Major, minor, pentatonic, and chromatic. They're the most popular in our current world culture.