Demo Music

Undertale Demo OST is the soundtrack album for the Undertale Demo, released May 21, 2013.

All tracks are composed by Toby "Radiation" Fox.

There are 16 tracks in total. Two of these tracks, "Menu" and "End" have been renamed to "Start Menu" and "Good Night" respectively in the complete Undertale Soundtrack while "Empty House" was removed.

Tracks[]

No.	Title	Length	Plays	Leitmotif(s)
1	Once Upon a Time	1:28	During the intro.	Once Upon A Time
2	Menu	0:32	When starting/loading a truly new file.	Once Upon A Time
3	Your Best Friend	0:23	When the protagonist first encounters Flowey.	Your Best Friend
4	Fallen Down	0:57	When Toriel intervenes the encounter above.	Toriel
5	Ruins	1:32	While traveling through the Ruins.	Ruins
6	Anticipation	0:22	During monster encounters while accompanied by Toriel. Slowed down during the Genocide ending.	Enemy Approaching
7	Unnecessary Tension	0:17	During Toriel’s test of independence.
8	Enemy Approaching	0:56	While fighting monsters.	Enemy Approaching
9	Ghost Fight	0:56	During the boss fight against Napstablook.	Ghost Fight
10	Determination	0:50	On the game over screen.	Determination
11	Home	2:03	When inside Toriel's Home.	Home, Once Upon A Time
12	Heartache	1:48	During the boss fight against Toriel.	Heartache
13	End	0:32	During most endings.
14	Nyeh Heh Heh!	0:32	During the Pacifist ending.	Papyrus
15	Home (Music Box)	2:02	When the protagonist turns off the light/wakes up in their room in Toriel's Home.	Home, Once Upon A Time
16	Empty House	3:01	In Toriel's Home after killing Toriel.	Toriel