The players meet various beings who call themselves 'Darkners' during a prophesied quest to seal the duplicate Dark Fountain. Kris and a classmate named Susie fall into an unknown place called the “Dark World” where they meet Ralsei, who informs them that they are heroes destined to restore balance to the world.
The player controls a human, Kris, in a world inhabited by monsters.
Deltarune is a role-playing video game created by American indie developer Toby Fox.