 "Frog Fractions" designer Jim Crawford cited it as inspiration for making "Frog Fractions" the way he did, while "Spelunky" creator Derek Yu talked about his nostalgia for Minus World, lamenting a lack of mystique found in modern games.References to the Minus World can be found in both "Super Paper Mario" and "Super Meat Boy".The Minus World is a glitched level found in the 1985 Nintendo Entertainment System video game "Super Mario Bros.", which is found after World 1-2.