Gaster Hub May 2026

At its core, (often stylized as GasterHub or The Gaster Hub ) is a community-driven archive, wiki, and discussion platform dedicated exclusively to the character W.D. Gaster from Toby Fox’s Undertale (and increasingly, Deltarune ).

In 2021, a user on Gaster Hub mined a string from Deltarune ’s code referencing room_gaster_lab . Toby Fox later confirmed in a newsletter that this was a leftover but would not elaborate. The Hub produced a 40-page document analyzing every single byte around that reference. Gaster Hub