Undertale' Creator Says 'Deltarun' Isn't a Sequel, Has No Idea When it Will Be Done

“Deltarune” isn’t just a “demo,” and the scope is far beyond that of any “sequel."

In Deltarune version 1.09 (Probably 1.08 too, but I was playing version 1.09) after the Spamton NEO bossfight (Not snowgrave) there's some new dialogue. It's VERY interesting, and obviously some parallel to

Undertale Creator Toby Fox Unveils Deltarune - Sequel? Prequel? Or Something Else? — The Geekly Grind

Butterfly Effect: Chara not existing makes Undertale turn into Deltarune : r/Deltarune

What are your theories on the future of the Undertale sequel, DeltaRune? - Quora

Is Toby Fox going to make an Undertale 2? - Quora

Resident Evil 2 playable 1-Shot Demo Hits This Week

What are your theories on the future of the Undertale sequel, DeltaRune? - Quora

It's Cold [Deltarune Ch 2 Secret Spoilers] : r/Deltarune

Is Toby Fox going to make an Undertale 2? - Quora

Why is Toby Fox so good at creating video games? - Quora