Correspondingly, is Deltarune in the same universe as Undertale?
When it was released in 2015, it quickly became beloved by critics and players alike. When Toby Fox released Deltarune, fans of Undertale were incredibly excited. While Deltarune appears to be set (roughly?) in the same universe as Undertale, it begins with the characters falling into a place called the 'Dark World'.
Secondly, is Kris from Deltarune Chara? It then tells the player that whatever choices they made don't matter, and that they are playing as Kris, a young child in the clothing of Chara (the final villain of Undertale). They are the adopted child of Toriel, and their older brother is Asriel, making Kris have the same familial relations as Chara did.
Considering this, is Deltarune the continuation of Undertale?
The game's creator told Variety that “Deltarune†isn't a sequel, and that, “What you're seeing [in 'Deltarune'] is not the world of 'Undertale. 'â€
Can I play Deltarune before Undertale?
It's just a game you can play after you complete UNDERTALE, if you want to. That's all. So there's no connections between the two games? It's a different world that might even have different rules.