Gaster Theme
- Undertale Ost Gaster Theme 02:03
- Falkkone Gaster's Theme (From "Undertale") 04:43
- Hellkite Gaster Genocide Boss Theme 03:14
- Toby Fox (?) Gaster's Theme 02:02
- Undertale Gaster's Theme 03:54
- Isabella Quinns Gaster's Theme (Dark Darker Yet Darker) 02:54
- Gaster's Theme Dark, Darker, Yet Darker 02:30
- Undertale Gaster's Battle Theme 02:30
- Undertale Gaster's Theme 03:47
- Undertale Gaster's Theme 03:54
- @Edgytruck What If Gaster's Theme Was A Full Song? 01:48
- Undertale Gaster's Theme (Ioztep Remix) 03:28
- Неизвестен Gaster's Theme 02:08
- Unknown Artist Dark, Darker, Yet Darker (Gaster Theme Remix) Extended 30:47
- Dthemesans Gaster Theme 02:52
- Vincent Moretto Undertale - Gaster’s Theme _ Metal Remix 02:37
- Fgg Undertale - Gaster’s Theme Metal Remix 02:37
- Toby Fox Gaster Theme Undertale Ost 02:14
- Gaster_Sonic09 Original - Theme Of The Mad Theorist 02:21
- Glitchtale Gaster's - Theme 05:05
- Максим Гаджиев Gaster Theme (Cover) V1 02:27
- Scream Awake The Man Who Got Hands - Deltarune Ust (Fan-Made W.d. Gaster Boss Theme) 04:59
- Nitroglitch Undertale Remix - Gaster's Theme 05:22
- Undertale%5D_Gaster_S_Theme_Remix_ - _W__D__Gaster_S_Megalovania_(By_Amella) 03:14
- Undertale Gaster's Theme 04:46
- Audio Anomaly Metaphysical (Gaster Theme) 03:40
- Mark The Reaper Gaster Theme (Metal Cover) 07:52
- Undertale Ost The Great Anansi - Dark, Darker, Yet Darker (Remix Of Gaster's Theme) 02:27
- Gitchtale Ost Vantablack [Gaster's Theme] 04:18
- Geometry Dash Demon "Gaster" Gaster Theme (Remix Loop) Made By Djjaner 02:37
- Joel Erhart Gaster Theme - Dark Darker Yet Darker 04:24
- Outertale Ost Gastar's Theme 01:44
- Nyxtheshield Glitchtale Ost - Vantablack Gaster's Theme 05:05
- Toby Fox Gaster Theme (Filacki Remix) 04:13
- Plgt [End Part] Doubt But It Is Gaster Theme 01:04
- Forcebore Gaster's Theme 02:57
- Undertale Gaster's Theme 【Intense Symphonic Metal Cover】 04:46
- Luckybonkers Gaster's Theme 00:32
- Toby Fox Gaster's Theme (Hidden) 00:18
- Chasingfireflies Entry Number Seventeen [W.d. Gaster Battle Theme] 03:20
- Undertale Ost Gaster's Theme 15:42
- Undertale (Toby Fox) Gaster's Theme 00:34
- Sharax Gaster Theme 04:24
- Gaster Gaster's Theme 03:47
- Undertale (Лилия Юрова) W.d Gaster Theme (Nightcore) 02:27
- F0X4 Gaster's_Theme (Remix) 02:02
- Неизвестен Dark, Darker, Yet Darker (Gaster Theme Remix) Extended 30:47
- Kondensat Gaster Theme (Mylancore Remix) 02:17
- Saymaxwell Gaster's Theme 04:28
- Gaster Gaster Theme 01:19
- Nitro Remix Beyond The Void [Gaster's Theme] 02:56
- C_Sssnow Gaster Theme 00:31
- Tkach Gaster Theme 02:40
- Helltale Gaster Theme (Undertale Remix) 00:18
- Plgt Doubt But It's Gaster Theme (Remake) 03:15
- Dart_Dragoon Codertale(Undertale Au) - Gaster Theme (Возможная) 02:38
- A E Dj Re-Mixer - Gaster’s Theme (Undertale Metal Remix) 02:48
- Undertale Gaster Theme Reverse 07:16
- Falkkone Gaster's Theme [Intense Symphonic Metal Cove] 04:46
- Glitchtale/ Gaster's Theme [Vantablack] 05:05
- Jack Gibson Him - Gaster Battle Theme (Deltarune Ust) 03:00
- Toby Fox Gaster's Theme (Extended) 03:48
- Kamex Undertale - Gaster's Theme Remix 2 04:40
- Undertale Gaster's Theme Remix 05:31
- Falkkone Gaster's Theme (Undertale) 04:46
- [Undertale] Gaster's Theme Remix(Amella Remix) W. D. Gaster's Megalovania 03:42
- Killykid Gaster Theme Remix 02:50
- Alex Rus Gaster Theme Remix V2 02:49
- Alex D Cputale - Gaster's Theme.the Man Who Speaks In Code. 01:20
- Марк Демань Gaster Theme-Yet Darker (Мой Ремикс Ремикса -_-) 02:23
- Undertale Gaster Theme Remix / The Man Who Speaks In Hands 06:31
- Я Gaster's Theme 01:20
- Drayxmusic Gaster's Theme (Dark Darker Yet Darker Remix) 03:39
- Note Book Gaster's Theme 01:31
- Khtll13 Gaster's Theme + Dark Darker Yet Darker 03:19
- Nyxtheshield Glitchtale Origins Ost - Gaster Theme 09:49
- Ilay's Originals Epictale Ost - Revolution [Epic!Gaster's Theme] Epic Rock Rearrangement 02:18
- Nitroglitch Gaster's Theme 05:22
- Rednas Gaster's Theme 06:31
- Dr Gaster Gaster's Extended Battle Theme 10:40
- Marioverehrer Synthesia Gaster's Theme Undertale 03:16
- Ixelithtv Undertale Remix - Gaster's Theme - Nitroglitch 05:29
- Darkerlovania Gaster Sans Theme 02:36
- Zeiich Startale : Gaster's Theme 01:34
- Beatneek Gaster Theme (Trap Remix) 01:31
- Undertale Gaster's Theme 02:38
- Toby Fox Gaster's Theme [Undertale Ost] 00:17
- Killykid Gaster Theme Remix 02:20
- Claire Noelle Music - Deltarune - Boltzmann Brain (W.d. Gaster Theme) 07:07
- Deus Zed Machina Супер Гастер 01:43
- Toby Fox Gaster's Theme 15:42
- Неизвестен Gaster's Theme - Megalovania 02:35
- Илья Решетников Gaster Theme Remix 02:03
- Osirois Music Dark, Darker, Yet Darker - Gaster's Theme | Hybrid Cover 02:58
- Toby Fox Gaster's Theme 00:17
- [Undertale] Gaster's Theme Remix W. D. Gaster's Megalovania (By Amella) 03:14
- Nyxtheshield Official X!Gaster Theme Rekindle (Remix By Korty) 02:49
- Surreal Your Fault _ Deltarune Chapter 6 Ust (Snowgrave Gaster Final Boss Theme) [666_6] 03:59
- W.d. Chara [Underfell Au] Cruelty In The Name Of Science (Gaster Theme Remix) 02:32
- Gaster_Master Gaster's Theme In Style Of Megalovania 01:34