| 1. | Undertale OST - Undertale | 6:22 | | Undertale
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| 2. | Undertale OST - Reunited | 4:45 | | Undertale
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| 3. | Undertale OST - Bring It In, Guys! | 4:13 | | Undertale
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| 4. | Undertale OST - Your Best Nightmare | 4:01 | | Undertale
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| 5. | Undertale OST - An Ending | 3:02 | | Undertale
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| 6. | Undertale OST - Hopes and Dreams | 3:02 | | Undertale
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| 7. | Undertale OST - It's Raining Somewhere Else | 2:51 | | Undertale
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| 8. | Undertale OST - CORE | 2:47 | | Undertale
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| 9. | Undertale OST - ASGORE | 2:37 | | Undertale
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| 10. | Undertale OST - Battle Against a True Hero | 2:37 | | Undertale
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| 11. | Undertale OST - MEGALOVANIA | 2:37 | | Undertale
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| 12. | Undertale OST - Fallen Down (Reprise) | 2:31 | | Undertale
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| 13. | Undertale OST - Dummy! | 2:27 | | Undertale
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| 14. | Undertale OST - Another Medium | 2:23 | | Undertale
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| 15. | Undertale OST - Last Goodbye | 2:16 | | Undertale
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| 16. | Undertale OST - Death by Glamour | 2:15 | | Undertale
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| 17. | Undertale OST - The Choice | 2:13 | | Undertale
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| 18. | Undertale OST - Waterfall | 2:08 | | Undertale
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| 19. | Undertale OST - Here We Are | 2:07 | | Undertale
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| 20. | Undertale OST - His Theme | 2:06 | | Undertale
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| 21. | Undertale OST - Home (Music Box) | 2:04 | | Undertale
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| 22. | Undertale OST - Home | 2:04 | | Undertale
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| 23. | Undertale OST - Don't Give Up | 2:03 | | Undertale
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| 24. | Undertale OST - Dating Start! | 1:58 | | Undertale
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| 25. | Undertale OST - Spear of Justice | 1:56 | | Undertale
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| 26. | Undertale OST - Respite | 1:55 | | Undertale
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| 27. | Undertale OST - SAVE the World | 1:54 | | Undertale
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| 28. | Undertale OST - Finale | 1:53 | | Undertale
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| 29. | Undertale OST - Heartache | 1:49 | | Undertale
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| 30. | Undertale OST - For the Fans | 1:48 | | Undertale
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| 31. | Undertale OST - Spider Dance | 1:47 | | Undertale
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| 32. | Undertale OST - Snowy | 1:45 | | Undertale
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| 33. | Undertale OST - Ruins | 1:33 | | Undertale
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| 34. | Undertale OST - Once Upon a Time | 1:30 | | Undertale
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| 35. | Undertale OST - Hotel | 1:28 | | Undertale
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| 36. | Undertale OST - Alphys | 1:26 | Let's Play | Undertale
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| 37. | Undertale OST - Oh! One True Love | 1:25 | | Undertale
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| 38. | Undertale OST - NGAHHH!! | 1:23 | | Undertale
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| 39. | Undertale OST - Amalgam | 1:21 | | Undertale
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| 40. | Undertale OST - Snowdin Town | 1:17 | | Undertale
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| 41. | Undertale OST - Memory | 1:16 | | Undertale
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| 42. | Undertale OST - Stronger Monsters | 1:04 | | Undertale
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| 43. | Undertale OST - Metal Crusher | 1:04 | | Undertale
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| 44. | Undertale OST - Song That Might Play When You Fight Sans | 1:03 | | Undertale
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| 45. | Undertale OST - Can You Really Call This A Hotel, I Didn't Receive A Mint On My Pillow Or Anything | 1:02 | | Undertale
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| 46. | Undertale OST - Premonition | 1:02 | | Undertale
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| 47. | Undertale OST - Wrong Enemy !? | 0:59 | | Undertale
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| 48. | Undertale OST - Temmie Village | 0:59 | | Undertale
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| 49. | Undertale OST - Fallen Down | 0:58 | | Undertale
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| 50. | Undertale OST - Bonetrousle | 0:58 | | Undertale
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| 51. | Undertale OST - Ghost Fight | 0:57 | | Undertale
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| 52. | Undertale OST - Chill | 0:57 | | Undertale
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| 53. | Undertale OST - Enemy Approaching | 0:57 | | Undertale
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| 54. | Undertale OST - Uwa!! So Temperate♫ | 0:57 | | Undertale
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| 55. | Undertale OST - Shop | 0:51 | | Undertale
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| 56. | Undertale OST - Determination | 0:51 | | Undertale
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| 57. | Undertale OST - sans. | 0:51 | | Undertale
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| 58. | Undertale OST - Death Report | 0:48 | | Undertale
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| 59. | Undertale OST - Undyne | 0:47 | | Undertale
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| 60. | Undertale OST - It's Showtime! | 0:47 | Show | Undertale
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| 61. | Undertale OST - Tem Shop | 0:46 | | Undertale
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| 62. | Undertale OST - Mysterious Place | 0:45 | | Undertale
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| 63. | Undertale OST - Thundersnail | 0:43 | | Undertale
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| 64. | Undertale OST - Confession | 0:43 | | Undertale
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| 65. | Undertale OST - Pathetic House | 0:39 | | Undertale
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| 66. | Undertale OST - Dogsong | 0:38 | | Undertale
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| 67. | Undertale OST - Dating Fight! | 0:37 | | Undertale
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| 68. | Undertale OST - You Idiot | 0:35 | | Undertale
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| 69. | Undertale OST - But the Earth Refused to Die | 0:35 | | Undertale
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| 70. | Undertale OST - Uwa!! So HEATS!!♫ | 0:35 | | Undertale
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| 71. | Undertale OST - Quiet Water | 0:33 | | Undertale
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| 72. | Undertale OST - Menu (Full) | 0:33 | | Undertale
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| 73. | Undertale OST - Start Menu | 0:33 | | Undertale
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| 74. | Undertale OST - Oh! Dungeon | 0:33 | | Undertale
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| 75. | Undertale OST - Nyeh Heh Heh! | 0:33 | | Undertale
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| 76. | Undertale OST - Good Night | 0:32 | | Undertale
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| 77. | Undertale OST - Barrier | 0:32 | | Undertale
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| 78. | Undertale OST - Power of "NEO" | 0:31 | | Undertale
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| 79. | Undertale OST - Uwa!! So Holiday♫ | 0:31 | | Undertale
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| 80. | Undertale OST - Dating Tense! | 0:27 | | Undertale
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| 81. | Undertale OST - Run! | 0:27 | | Undertale
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| 82. | Undertale OST - Spookwave | 0:26 | | Undertale
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| 83. | Undertale OST - Bird That Carries You Over A Disproportionately Small Gap | 0:26 | | Undertale
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| 84. | Undertale OST - Spooktune | 0:24 | | Undertale
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| 85. | Undertale OST - Your Best Friend | 0:24 | | Undertale
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| 86. | Undertale OST - Anticipation | 0:23 | | Undertale
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| 87. | Undertale OST - Bergentrückung | 0:22 | | Undertale
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| 88. | Undertale OST - Burn in Despair! | 0:22 | | Undertale
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| 89. | Undertale OST - Long Elevator | 0:21 | | Undertale
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| 90. | Undertale OST - Final Power | 0:20 | | Undertale
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| 91. | Undertale OST - Danger Mystery | 0:19 | | Undertale
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| 92. | Undertale OST - She's Playing Piano | 0:19 | | Undertale
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| 93. | Undertale OST - Live Report | 0:18 | | Undertale
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| 94. | Undertale OST - Unnecessary Tension | 0:18 | | Undertale
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| 95. | Undertale OST - Ooo | 0:15 | | Undertale
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| 96. | Undertale OST - Oh My... | 0:15 | | Undertale
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| 97. | Undertale OST - Small Shock | 0:15 | | Undertale
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| 98. | Undertale OST - Ghouliday | 0:13 | | Undertale
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| 99. | Undertale OST - CORE Approach | 0:13 | | Undertale
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| 100. | Undertale OST - Last Episode! | 0:08 | Show | Undertale
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