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Amalgam (/ə.ˈmæl.ɡəm/) is the 84th track in the Undertale Soundtrack. It plays during the fights against all the Amalgamates except for Endogeny and Snowdrake's Mother.


  • "Amalgam" means "a mixture or blend" and is the root word of "Amalgamate."
  • This track samples several tracks from the EarthBound soundtrack such as Threed, Zombie Central, Cave of the Past, and The Cliff that Time Forgot. There is also a hint of Giygas's breathing.
    • This is one of the three tracks in the Undertale Soundtrack to exclusively use sounds from EarthBound. The others are Fallen Down and Ghost Fight.
    • Because "Amalgam" includes the sole instrument from "Cave of the Past," it by extension also samples the 1970 song Deirdre by the American rock group The Beach Boys.
  • Amalgam is written outside of a key and consists of only block major seventh chords[1] and a tonally free bassline reminiscent of the music of EarthBound.


  1. DuRant, Hassan: 5 Unsettling Lessons from Undertale's "Amalgam" videogamemusicacademy.com