| Title | Artist | Time | ||
|---|---|---|---|---|
| 1 | Once Upon a Time | Toby Fox | 1:28 | |
| 2 | Start Menu | Toby Fox | 0:32 | |
| 3 | Your Best Friend | Toby Fox | 0:23 | |
| 4 | Fallen Down | Toby Fox | 0:57 | |
| 5 | Ruins | Toby Fox | 1:32 | |
| 6 | Uwa!! so Temperate♫ | Toby Fox | 0:56 | |
| 7 | Anticipation | Toby Fox | 0:22 | |
| 8 | Unnecessary Tension | Toby Fox | 0:17 | |
| 9 | Enemy Approaching | Toby Fox | 0:56 | |
| 10 | Ghost Fight | Toby Fox | 0:56 | |
| 11 | Determination | Toby Fox | 0:50 | |
| 12 | Home | Toby Fox | 2:03 | |
| 13 | Home (Music Box) | Toby Fox | 2:02 | |
| 14 | Heartache | Toby Fox | 1:48 | |
| 15 | Sans. | Toby Fox | 0:50 | |
| 16 | Nyeh Heh Heh! | Toby Fox | 0:32 | |
| 17 | Snowy | Toby Fox | 1:44 | |
| 18 | Uwa!! so Holiday♫ | Toby Fox | 0:30 | |
| 19 | Dogbass | Toby Fox | 0:06 | |
| 20 | Mysterious Place | Toby Fox | 0:44 | |
| 21 | Dogsong | Toby Fox | 0:37 | |
| 22 | Snowdin Town | Toby Fox | 1:16 | |
| 23 | Shop | Toby Fox | 0:50 | |
| 24 | Bonetrousle | Toby Fox | 0:57 | |
| 25 | Dating Start! | Toby Fox | 1:56 | |
| 26 | Dating Tense! | Toby Fox | 0:26 | |
| 27 | Dating Fight! | Toby Fox | 0:35 | |
| 28 | Premonition | Toby Fox | 1:01 | |
| 29 | Danger Mystery | Toby Fox | 0:18 | |
| 30 | Undyne | Toby Fox | 0:45 | |
| 31 | Waterfall | Toby Fox | 2:06 | |
| 32 | Run! | Toby Fox | 0:26 | |
| 33 | Quiet Water | Toby Fox | 0:32 | |
| 34 | Memory | Toby Fox | 1:15 | |
| 35 | Bird That Carries You over a D | Toby Fox | 0:25 | |
| 36 | Dummy! | Toby Fox | 2:25 | |
| 37 | Pathetic House | Toby Fox | 0:38 | |
| 38 | Spooktune | Toby Fox | 0:23 | |
| 39 | Spookwave | Toby Fox | 0:25 | |
| 40 | Ghouliday | Toby Fox | 0:12 | |
| 41 | Chill | Toby Fox | 0:56 | |
| 42 | Thundersnail | Toby Fox | 0:42 | |
| 43 | Temmie Village | Toby Fox | 0:57 | |
| 44 | Tem Shop | Toby Fox | 0:45 | |
| 45 | Ngahhh!! | Toby Fox | 1:22 | |
| 46 | Spear of Justice | Toby Fox | 1:55 | |
| 47 | Ooo | Toby Fox | 0:14 | |
| 48 | Alphys | Toby Fox | 1:25 | |
| 49 | It's Showtime! | Toby Fox | 0:46 | |
| 50 | Metal Crusher | Toby Fox | 1:03 |
