This world is inhabited by various monsters which have found themselves trapped in the underworld after the unfortunate war with the humans. While a walk through the story, you could assist the monsters or to defeat them in the fight, so you can choose the development of the future story mode.Īs it was mentioned before, the main character of this game is a little girl who accidentally found herself in the underworld.

Undertale is a game about a little girl who would make tough adult choices.