That Song That Might Play When You Fight Sans Nitro

Painful Retribution

XP Boost

Underverse OST - SEG_FAULT [Fatal Error's Theme][SNES Demake]

Battle Against A True Hero (Undertale)

But The Earth Grew A Spine And Backbone

cca

Undertale Yellow - A Mother's Love [Metal Remix by NyxTheShield]

Toby Fox - Megalovania (Tenkitsune Remix)

Tokyovania Control V2

4TLO - Grit