Board Thread:Fun And Games/@comment-35230176-20181108162630/@comment-31265036-20181109052929

Sans2345 wrote: Its good to see toby finally make a sequel to undertale after all these years why is it a sequel because the letters "Deltarune" has the same letters as "Undertale" it was also great to see undyne, sans, toriel, alphys, asgore and all the others again but the story of the game in theory is a bit unexplained but hopefully chapter 2 will help that. "I will say that basically, what you're seeing here is not the world of UNDERTALE. UNDERTALE's world and ending are the same as however you left them. If everyone was happy in your ending, the people in the UNDERTALE world will still be happy. So, please don't worry about those characters, and that world. It will remain untouched.

To rephrase that, DELTARUNE's world is a different one. With different characters, that have lived different lives. A whole new story will happen..." -Toby Fox

It's not a sequel.