OST
|
Length
|
When It Plays
|
Answer
|
001
|
1:29
|
Introduction sequence
|
Once Upon a Time
|
002
|
0:32
|
When viewing a new SAVE file
|
Start Menu
|
003
|
0:23
|
Protagonist’s first encounter with Flowey
|
Your Best Friend
|
004
|
0:57
|
During Toriel's introduction/After Toriel's test of independence/When Toriel leads the protagonist to her home
|
Fallen Down
|
005
|
1:32
|
While traveling through the Ruins
|
Ruins
|
006
|
0:56
|
On the Joystick Config menu during Autumn and Spring
|
Uwa!! So Temperate♫
|
007
|
0:22
|
During the encounters with Dummy and the first Froggit/When fighting the Glad Dummy during the Genocide Route
|
Anticipation
|
008
|
0:17
|
During Toriel's test of independence
|
Unnecessary Tension
|
009
|
0:56
|
While fighting regular monsters
|
Enemy Approaching
|
010
|
0:56
|
Napstablook's boss fight
|
Ghost Fight
|
011
|
0:50
|
GAME OVER screen
|
Determination
|
012
|
2:03
|
In Toriel's home
|
Home
|
013
|
2:02
|
In the protagonist's room in Toriel's Home when the lamp in their room is turned off
|
Home (Music Box)
|
014
|
1:48
|
Toriel's boss fight
|
Heartache
|
015
|
0:50
|
During Sans's introduction/In the room with Sans's sentry station in Waterfall/In the room with Sans's Hot Dog stand in Hotland/In Grillby's/In Papyrus and Sans's House/In Napstablook's snail farm
|
sans.
|
016
|
0:32
|
During Papyrus's introduction/When Papyrus introduces his puzzles/During the boss fight with Papyrus before he turns the protagonist's SOUL blue/After sparing Papyrus/At the end of the hangout with Papyrus if the protagonist did not flirt with him during his battle
|
Nyeh Heh Heh!
|
017
|
1:44
|
While traveling through Snowdin Forest
|
Snowy
|
018
|
0:30
|
On the Joystick Config menu during Winter
|
Uwa!! So Holiday♫
|
019
|
0:06
|
Before fighting the Dogi
|
Dogbass
|
020
|
0:44
|
In the secret cave in Snowdin Forest
|
Mysterious Place
|
021
|
0:37
|
When the Annoying Dog steals the legendary artifact in the Artifact Room/Phone call for the Dog Ending and the Dirty Hacker Ending/After defeating Toriel in Hard Mode
|
Dogsong
|
022
|
1:16
|
In Snowdin
|
Snowdin Town
|
023
|
0:50
|
In the Snowdin Shop/In Gerson's Shop
|
Shop
|
024
|
0:57
|
During the boss fight with Papyrus after he turns the protagonist's SOUL blue
|
Bonetrousle
|
025
|
1:56
|
When the befriending sequences with Papyrus, Undyne, and Alphys begin/Bratty and Catty's shop
|
Dating Start!
|
026
|
0:26
|
When the befriending sequences with Papyrus and Alphys get tense
|
Dating Tense!
|
027
|
0:35
|
During an intense moment during the befriending event with Papyrus
|
Dating Fight!
|
028
|
1:01
|
While discussing talking flowers with Sans in Grillby's/In room_water_redacted
|
Premonition
|
029
|
0:18
|
When seeing Undyne for the first time
|
Danger Mystery
|
030
|
0:45
|
While hiding from Undyne during her first encounter
|
Undyne
|
031
|
2:06
|
While traveling through Waterfall
|
Waterfall
|
032
|
0:26
|
While being pursued by Undyne
|
Run!
|
033
|
0:32
|
In more populated parts of Waterfall/In Muffet's Spider Bake Sale in Hotland
|
Quiet Water
|
034
|
1:15
|
After placing the umbrella in the statue for the Piano Puzzle/After sparing Asgore/After the battle with Asriel/The ending screen after the True Pacifist Ending Credits
|
Memory
|
035
|
0:25
|
While the small bird carries the protagonist over a disproportionately small gap
|
Bird That Carries You Over A Disproportionately Small Gap
|
036
|
2:25
|
Mad Dummy's boss fight
|
Dummy!
|
037
|
0:38
|
In Napstablook's house
|
Pathetic House
|
038
|
0:23
|
CD found in Napstablook's house
|
Spooktune
|
039
|
0:25
|
CD found in Napstablook's house
|
Spookwave
|
040
|
0:12
|
CD found in Napstablook's house
|
Ghouliday
|
041
|
0:56
|
While lying on the ground and feeling like garbage in Napstablook's house
|
Chill
|
042
|
0:42
|
During the snail race in Napstablook's snail farm
|
Thundersnail
|
043
|
0:57
|
In Temmie Village
|
Temmie Village
|
044
|
0:45
|
In the Tem Shop
|
Tem shop
|
045
|
1:22
|
Before fighting Undyne (if Papyrus was spared)/While cooking with Undyne
|
NGAHHH!!
|
046
|
1:55
|
Undyne's boss fight
|
Spear of Justice
|
047
|
0:14
|
In the areas of Hotland preceding the Lab and the area after the Lab
|
Ooo
|
048
|
1:25
|
During Alphys's introduction/While traversing the Lab after Mettaton's quiz show (not during the Genocide Route)/At the beginning of the date with Alphys
|
Alphys
|
049
|
0:46
|
After Mettaton bursts through the wall of the Lab/Before the jetpack sequence of Mettaton's cooking show/After the Bomb Defusal sequence of Mettaton's news report
|
It's Showtime!
|
050
|
1:03
|
During battles with Mettaton
|
Metal Crusher
|
051
|
2:22
|
While traveling through Hotland
|
Another Medium
|
052
|
0:34
|
On the Joystick Config menu during Summer
|
Uwa!! So HEATS!!♫
|
053
|
1:03
|
While fighting monsters in Hard Mode
|
Stronger Monsters
|
054
|
1:27
|
Mettaton's cooking show/MTT Resort
|
Hotel
|
055
|
1:01
|
Jetpack sequence of Mettaton's cooking show
|
Can You Really Call This A Hotel, I Didn't Receive A Mint On My Pillow Or Anything
|
056
|
0:42
|
When Alphys confesses her lies and feelings towards Undyne during the date with Alphys
|
Confession
|
057
|
0:17
|
During Mettaton's news segment
|
Live Report
|
058
|
0:47
|
During the bomb defusing sequence
|
Death Report
|
059
|
1:46
|
Muffet's boss fight
|
Spider Dance
|
060
|
0:58
|
So Sorry's boss fight
|
Wrong Enemy !?
|
061
|
1:24
|
During Mettaton's musical performance
|
Oh! One True Love
|
062
|
0:32
|
During the Multicolor Tile Puzzle in Hotland
|
Oh! Dungeon
|
063
|
2:50
|
While talking to Sans in the MTT Resort's restaurant
|
It's Raining Somewhere Else
|
064
|
0:12
|
In the room between the Hotel and the CORE
|
CORE Approach
|
065
|
2:46
|
While traveling through and fighting enemies in the CORE
|
CORE
|
066
|
0:07
|
After Mettaton betrays Alphys and declares his desire to kill the human
|
Last Episode!
|
067
|
0:14
|
After Mettaton's switch has been flipped, and before his silhouette disappears
|
Oh My...
|
068
|
2:14
|
Mettaton EX's boss fight
|
Death by Glamour
|
069
|
1:47
|
While Mettaton takes phone calls after his fight
|
For The Fans
|
070
|
0:20
|
During the first elevator ride to New Home
|
Long Elevator
|
071
|
6:21
|
When the protagonist travels through New Home and hears the story of Asriel and the First Human
|
Undertale
|
072
|
1:02
|
Never
|
Song That Might Play When You Fight Sans
|
073
|
2:12
|
While Sans judges the protagonist/At the end of the fight with Asgore
|
The Choice
|
074
|
0:14
|
When first meeting Asgore
|
Small Shock
|
075
|
0:31
|
When viewing the barrier before the fight with Asgore
|
Barrier
|
076
|
0:21
|
Precedes the fight against Asgore
|
Bergentrückung
|
077
|
2:36
|
Asgore's boss fight
|
ASGORE
|
078
|
0:34
|
Before Photoshop Flowey's fight/Before Asriel Dreemurr's fight/Before the special thanks segment of the True Pacifist Ending Credits
|
You Idiot
|
079
|
4:00
|
Photoshop Flowey's boss fight
|
Your Best Nightmare
|
080
|
1:52
|
During the fight against Photoshop Flowey after all human SOUL segments
|
Finale
|
081
|
3:28
|
During the phone calls of most Neutral Route endings/During the end of the battle with Undyne if the protagonist kills her
|
An Ending
|
082
|
0:18
|
Outside of Undyne's House right before her hangout with the protagonist
|
She's Playing Piano
|
083
|
2:06
|
While exploring the True Lab
|
Here We Are
|
084
|
1:20
|
When battling the Amalgamates
|
Amalgam
|
085
|
2:30
|
When Toriel intervenes in the fight against Asgore in the True Pacifist Route
|
Fallen Down (Reprise)
|
086
|
2:02
|
When monsters encourage the protagonist while Flowey ensnares them with vines
|
Don't Give Up
|
087
|
3:01
|
The first segment of Asriel Dreemurr's boss fight
|
Hopes and Dreams
|
088
|
0:21
|
The second segment of Asriel Dreemurr's boss fight after "Hyper Goner" is used
|
Burn in Despair!
|
089
|
1:53
|
The second phase of Asriel Dreemurr's boss fight after the SAVE button appears
|
SAVE the World
|
090
|
2:05
|
The end of Asriel Dreemurr's boss fight when memories of Chara and Asriel appear
|
His Theme
|
091
|
0:18
|
When Asriel uses the absorbed SOULs to destroy the barrier
|
Final Power
|
092
|
4:44
|
During the epilogue
|
Reunited
|
093
|
0:32
|
On the menu screen after Asriel Dreemurr's boss fight before the True Reset option appears
|
Menu (Full)
|
094
|
1:54
|
During the scene on the surface at the end of the True Pacifist Route
|
Respite
|
095
|
4:12
|
During the credits when all of the monsters are being shown
|
Bring It In, Guys!
|
096
|
2:15
|
During the credits when all of the Kickstarter backers are being shown
|
Last Goodbye
|
097
|
0:34
|
During Undyne's speech before becoming Undyne the Undying
|
But the Earth Refused to Die
|
098
|
2:36
|
Undyne the Undying's boss fight
|
Battle Against a True Hero
|
099
|
0:30
|
Mettaton NEO's "boss fight"
|
Power Of "NEO"
|
100
|
2:36
|
Sans's boss fight
|
MEGALOVANIA
|
101
|
0:31
|
End of a Neutral Route in the demo, never used in the final game
|
Good Night
|