age. However, Undertale was developed in Europe, so it's actually given a Peggy rating, and more specifically. a Peggy 12 rating. This means the game is not for younger kids.

Development of Deltarune began in 2012, three years before Fox's previous game Undertale was released. Though it shares some narrative elements with Undertale, including alternate versions of characters from Undertale and the fact that that Deltarune is an anagram of Undertale, it takes place in a different setting.

Jujutsu Kaisen and Naruto are both popular manga and anime series within the shonen genre, but they are not copies of each other. While they may share some common themes and elements typical of the shonen genre, such as supernatural abilities and intense battles, they have distinct storylines, characters, and settings.

While there's no denying that Jujutsu Kaisen and Naruto are two different franchises with completely different storylines and characters, both titles quickly rose to fame right after their debut.