Players know this cue from Rex 3, a Roblox experience where the Otherworldly is treated as a special spawn rather than a regular enemy. Clips of rare spawns get shared in Roblox communities, and the sound has been lifted from gameplay into soundboards and short edits because it is instantly recognisable to fans. Outside the game it is used more broadly as a dramatic spawn alert, which keeps it circulating among creators who want a short, eerie signal for rare events.