3:48 Undertale OST - Gaster's Theme? 0:35 Undertale - Gaster's Theme 1:41 Undertale Call Of The Void phase 3c - PRIME REALITY 0:24 Undertale OST – Gaster's Theme (Samsung Cover) 10:08 Undertale last breath phases 1-3 theme 11:26 [OFFICIAL] UNDERTALE: CALL OF THE VOID DEMO Release {Phase 2, 2.5, 3c} 7:58 Yet Darker - Undertale Animation (Glitchtale #2) 12:39 Glitchtale Origins: GASTER | FULL ANIMATION (Season 3) 4:00 [Undertale] ECHO - Animation 4:09 Glitchtale OST - The Undying [Original By NyxTheShield] 1:48 What If Gaster's Theme Was a Full Song? 3:23 UNDERTALE - Gaster's theme [ 8th Anniversary ] 5:10 [Undertale Remix] SharaX - Dark Darker Yet Monster 4:30 Entry Number 17 - Dark Darker Yet Darker 4:25 [Undertale Remix] SharaX - Dark Darker Yet Darker 5:05 Glitchtale OST - Vantablack [Gaster's Theme] 3:16 Soundtrack Gaster 1:25 Animated [Undertale Remix] SharaX - Dark Darker Yet Darker