Deltarune is Toby Fox's episodic role-playing game that follows Undertale, with its first chapter released in 2018 and later chapters expanding the story of Kris, Susie and Ralsei. Dark Fountains sit at the heart of that story, opening the Dark Worlds the heroes explore, so the music tied to their creation quickly became a recognisable shorthand for the game itself. Fans have since reused the cue in edits, streams and lore videos, keeping it popular as new chapters arrive and new players discover the series.
About this sound
The Fountain Opening sound from Deltarune plays when a new Dark World fountain appears, a dramatic musical cue fans use in edits and meme videos.
The Fountain Opening from Deltarune is a short, swelling musical moment that marks the creation of a Dark Fountain, the gateway between the Light World and a Dark World. It builds with rising strings and choral tones before landing on a powerful, almost reverent chord, giving a simple doorway the weight of a world-changing event. For players, it signals danger, wonder and the start of a new chapter at once, which is why the cue feels both beautiful and unsettling. Hearing it out of context still carries that sense of something enormous quietly opening.