| # | Title | Artist | Rating | Length |
|---|
| 1 | CORE | Toby Fox | 5 | 2:48 |
| 2 | Last Episode! | Toby Fox | 3.75 | 0:10 |
| 3 | Oh My... | Toby Fox | 4.5 | 0:16 |
| 4 | Death by Glamour | Toby Fox | 4.5 | 2:17 |
| 5 | For the Fans | Toby Fox | 4.75 | 1:49 |
| 6 | Long Elevator | Toby Fox | 3 | 0:22 |
| 7 | Undertale | Toby Fox | 5 | 6:24 |
| 8 | Song That Might Play When You Fight Sans | Toby Fox | 4 | 1:04 |
| 9 | The Choice | Toby Fox | 5 | 2:15 |
| 10 | Small Shock | Toby Fox | 4.25 | 0:16 |
| 11 | Barrier | Toby Fox | 4.25 | 0:33 |
| 12 | Bergentrückung | Toby Fox | 4.75 | 0:23 |
| 13 | ASGORE | Toby Fox | 4.75 | 2:38 |
| 14 | You Idiot | Toby Fox | 5 | 0:37 |
| 15 | Your Best Nightmare | Toby Fox | 5 | 4:02 |
| 16 | Finale | Toby Fox | 5 | 1:54 |
| 17 | An Ending | Toby Fox | 5 | 3:31 |
| 18 | She’s Playing Piano | Toby Fox | 3.9 | 0:21 |
| 19 | Here We Are | Toby Fox | 4.75 | 2:08 |
| 20 | Amalgam | Toby Fox | 4.75 | 1:22 |
| 21 | Fallen Down (Reprise) | Toby Fox | 4.45 | 2:33 |
| 22 | Don’t Give Up | Toby Fox | 4.55 | 2:04 |
| 23 | Hopes and Dreams | Toby Fox | 5 | 3:03 |
| 24 | Burn in Despair! | Toby Fox | 4.5 | 0:23 |
| 25 | SAVE the World | Toby Fox | 5 | 1:55 |
| 26 | His Theme | Toby Fox | 5 | 2:07 |
| 27 | Final Power | Toby Fox | 4 | 0:21 |
| 28 | Reunited | Toby Fox | 5 | 4:46 |
| 29 | Menu (Full) | Toby Fox | 4.5 | 0:34 |
| 30 | Respite | Toby Fox | 5 | 1:56 |
| 31 | Bring It In, Guys! | Toby Fox | 4.75 | 4:14 |
| 32 | Last Goodbye | Toby Fox | 4.75 | 2:17 |
| 33 | But the Earth Refused to Die | Toby Fox | 4.5 | 0:36 |
| 34 | Battle Against a True Hero | Toby Fox | 5 | 2:39 |
| 35 | Power of "NEO" | Toby Fox | 4.25 | 0:33 |
| 36 | MEGALOVANIA | Toby Fox | 3.8 | 2:38 |
| 37 | Good Night | Toby Fox | 4.5 | 0:33 |
| 38 | Dating Start (FM Version) | coda | | 2:49 |
| 39 | Bereavement | flashygoodness | | 5:59 |
| 40 | Dog Dating | Toby Fox | | 0:23 |
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