Super Simple Piano
Add song

Undertale

Battle Against a True Hero · Shared by Amanda · Key of Fm · Medium

Loading song
Fetching song
1
—

Get this sheet

PDF sheets + MIDI

Included with Premium

Download

Practice this song

Free

20 short parts, one hand at a time

Practice

Up next

  1. Detective Conan Main Theme OSTMedium
  2. ADDICTEDMedium
  3. Training SeasonMedium
  4. 【Deemo】Entrance 弾き直してみたMedium
  5. Spider Dance (from Undertale)Medium
  6. The Imitation Game Main ThemeMedium
  7. LoserMedium
  8. 테일즈위버 TalesWeaver OST Reminiscence 피아노 커버Medium
EZPiano app icon
EZPiano
Free for iPhone and iPad

Play Undertale on your own piano

Plug in your piano by USB or Bluetooth. The song waits for you until you hit the right notes. Slow it down, loop any bars, play one hand at a time.

  1. 1Get the app. Free on the App Store.
  2. 2Sign in. Use the same email you unlock songs with.
  3. 3Connect your keyboard. By USB or Bluetooth, and play along.
Get EZPiano on the App StoreFree. Songs you unlock here open in the app too.
EZPiano screens: piano sheet music simplified, plug in and it waits for you, practice at your pace
Converted from YouTube

This sheet was made from Piano Music Bros.’s YouTube piano video, “Battle Against a True Hero - Undertale [Piano Tutorial] (Synthesia)”. Watch it, then keep practicing here.

More Undertale Music. Learn piano songs quick and easy.
Open on YouTube

Undertale by Battle Against a True Hero

About “Undertale”

This medium level song is in the key of Fm at 150 BPM. Uploaded by Amanda.

Questions about this song (8)
Why does "Undertale" show as colored bars instead of notation?
Bar Notation replaces traditional noteheads with colored horizontal bars on a simplified staff — each bar's vertical position is the pitch and its length is the duration. Much easier to read than classic sheet music while still showing the full arrangement of "Undertale".
What key is "Undertale" by Battle Against a True Hero played in?
Undertale is arranged in the key of Fm on Super Simple Piano. You can transpose to any other key live in the player.
What's the tempo (BPM) of "Undertale"?
The arrangement plays at 150 BPM. Use the speed control (10-200%) to practice slower or play faster.
Is "Undertale" easy to play on piano?
This is a medium-difficulty arrangement. Most players can learn it within a few practice sessions using the speed control.
Can I download sheet music for "Undertale"?
Yes — registered users can download PDF sheet music, plus MIDI and MusicXML files for use in other notation software.
Who composed "Undertale"?
"Undertale" was originally performed by Battle Against a True Hero. The Super Simple Piano arrangement is simplified for beginner-to-intermediate players.
Is this real sheet music for "Undertale"?
It's a simplified visual notation using colored bars instead of traditional notes. Each bar's vertical position shows the pitch and its length shows duration — much easier to read for beginners while still showing the complete arrangement of "Undertale".
Can I see all the notes in "Undertale"?
Yes! The Bar Sheet shows every note in the arrangement as a colored bar. The sheet scrolls automatically during playback, or you can scroll manually to study any section. The song is in the key of Fm at 150 BPM.
Other versions of Undertale

Other arrangements of Undertale

Pick a learning view.

Sheet MusicBar NotationSimple SheetFalling Notes