3:39 Sudden Changes Sans - Hell Scorned | UNDERTALE: Final Showdown 2:31 N/A - Bullet Hell Remix (Sudden Changes Sans Theme) 8:04 UFS: Sudden Changes, Snowdin Dust & Storyshift Chara Showcase & Gameplay! (Undertale Final Showdown) 2:29 [Sudden Changes Sans] Phase1 theme 2:39 sudden changes bullet hell 2:58 Sudden Changes With Lyrics - Undertale AU 3:10 Sudden Changes With Lyrics | Undertale AU