Overworld Day is the cheerful daytime music for the surface world in Terraria, the sandbox adventure game released in 2011, with music composed by Scott Lloyd Shelly. Players hear it while exploring, building, and gathering during in-game days, so it carries strong nostalgia for longtime fans. Online, creators have reused a short excerpt for lighthearted walking and pet videos, where its sunny tone fits everyday footage better than dramatic game music. That familiar, feel-good association keeps the clip popular in edits long after players first heard it in the game.