Spelunky was created by Derek Yu and first released as freeware for Windows in 2008, later known as Spelunky Classic to distinguish it from the 2012 remake. Its exit door sound became familiar through repeated play, as players heard it at the end of almost every short, procedurally generated level. As let's plays and speedruns spread on YouTube and Twitch, the clip was extracted for soundboards and edits. It remains used because it instantly signals progress, escape, and a fresh start without needing any dialogue or music.