Glass Theory: Deltarune is GASTER'S Dark Dream
164K views · Jun 28, 2026 · Gaming
Comments · 1.1K
@spookydood5500 · 3 months ago · pinned
OH MY GOD I FORGOT THE MOST IMPORTANT REFERENCE TO GLASS - Noelle says in the weird route that she feels like she’s been watching herself through glass.
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@BruhX200 · 3 months ago
Oh my full name? It's Susie Glasster
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@World_Revolves · 3 months ago (edited)
Asriel trying to leave for college but he genuinely gets assassinated by the Gaster Followers the same way Onionsan did (they found out that Hometown was isolated in a glass dome)
1.4K
@craftdominosaremine · 3 months ago
I think the "glass" is in reference to US watching the game through our "glass screen". Glass is the barrier between Deltarune and YOU.
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@outerpaceiscool · 3 months ago
if this ends up being the case i think were gonna get hit with the most impactful "thank you for watching my dream" ever
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@Maaslow · 3 months ago
Bruh, can't believe Jevil was right in the end, smh...
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@TheClosetsburner · 3 months ago
we've come full circle from chapter 1 theories when everyone thought that deltarune is after undertale lol
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@truthchanMSV · 3 months ago
Also during Spamton Neo's boss fight, "Smells like rotten glass."
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@CataquackNation · 3 months ago
"Fresh from the oven" ahh theory
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@AndrewFan_N1 · 3 months ago (edited)
In summary:Gaster made Deltarune as a proposal gift for us<br><br><b>sigh</b> Isn't he so romantic?
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@memento9397 · 3 months ago
I can't articulate it but the way that the world of Deltarune is shown to us through a screen, a pane of glass, must be important in this context
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@WhispCommanderComics · 3 months ago
I think what adds to the theory even more is that undertale is stuck in a barrier, so gaster only knowing about a few things of the surface world and filling in the rest with underground placeholders could further explain why hometown is the way it is
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