音楽の一覧です。番号順に並べています。
- Once Upon a Time
- Start Menu
- Your Best Friend
- Fallen Down?
- Ruins?
- Uwa!! So Temperate♫?
- Anticipation
- Unnecessary Tension?
- Enemy Approaching?
- Ghost Fight
- Determination?
- Home?
- Home (Music Box)?
- Heartache?
- sans.?
- Nyeh Heh Heh!?
- Snowy?
- Uwa!! So Holiday♫?
- Dogbass
- Mysterious Place?
- Dogsong?
- Showdin Town?
- Shop?
- Bonetrousle?
- Dating Start!?
- Dating Tense!?
- Dating Fight!?
- Premonition?
- Danger Mystery?
- Undyne?
- Waterfall?
- Run!?
- Quiet Water?
- Memory?
- Bird That Carries You Over A Disproportionately Small Gap?
- Dummy!
- Pathetic House?
- Spooktune?
- Spookwave?
- Ghouliday?
- Chill?
- Thundersnail?
- Temmie Village?
- Tem Shop?
- NGAHHH!!?
- Spear of Justice?
- Ooo?
- Alphys?
- It's Showtime!?
- Metal Crusher?
- Another Medium?
- Uwa!! So HEATS!!♫?
- Stronger Monsters?
- Hotel?
- Can You Really Call This A Hotel, I Didn't Receive A Mint On My Pillow Or Anything?
- Confession?
- Live Report?
- Death Report?
- Spider Dance?
- Wrong Enemy !??
- Oh! One True Love?
- Oh! Dungeon?
- It's Raining Somewhere Else?
- CORE Approach?
- CORE?
- Last Episode!?
- Oh My...?
- Death by Glamour?
- For The Fans?
- Long Elevator?
- Undertale?
- Song That Might Play When You Fight Sans?
- The Choice?
- Small Shock?
- Barrier?
- Bergentrückung?
- ASGORE?
- You Idiot?
- Your Best Nightmare?
- Finale?
- An Ending?
ここから平和主義ルートでのみ再生される楽曲
- She's Playing Piano?
- Here We Are?
- Amalgam?
- Fallen Down (Reprise)?
- Don't Give Up?
- Hopes and Dreams?
- Burn in Despair!?
- SAVE the World?
- His Theme?
- Final Power?
- Reunited?
- Menu (Full)?
- Respite?
- Bring It In, Guys!?
- Last Goodbye?
ここから虐殺ルートでのみ再生される楽曲