The story of Deltarune takes place in an alternate version of the Undertale universe. Its world consists of two distinct realms: The Light World, where monsters, humans and every creature coexist and interact in a modern-era society, and the Dark World, a world of darkness where locations, objects, and characters assume new forms.
Three heroes from lights edge are tasked with fulfilling an ancient prophecy to save the realms and seal the dark.
