Half-Life 2, developed by Valve and released in 2004, made Gordon Freeman's journey through City 17 a landmark of first-person shooters, and its player-death audio became part of that identity. The sound travelled beyond the game through gameplay videos, compilations and meme edits, where creators reused it as shorthand for failure even when the footage had nothing to do with Half-Life. It has stayed in use because gamers recognise it instantly, and because its slow, ominous tone turns an ordinary mistake into a dramatic ending.