🔍The process of accessing Gaster's theme involves specific requirements, including playing on a specific patch and having a random number value in your save file.
🎵Gaster's theme is part of a menu called the Sound Test, where you can play various tracks from Undertale, including Gaster's theme.
🔀Gaster's theme has been remixed and rearranged in various ways to fit different contexts in the game.
📚The concept of light motifs, recurring musical patterns that represent characters or concepts, is a common technique used by Toby Fox throughout his work.
⏳Fans have been dedicated to uncovering hints and references to Gaster's theme in the music of both Undertale and its sequel, Deltarune.