This clip is commonly recognized as the defuser plant alarm from Tom Clancy's Rainbow Six Siege, Ubisoft's tactical shooter released in 2015. Players know it as the sound that marks a successful plant and turns the round into a race against time. Because the beep is so distinctive, it spread beyond normal gameplay clips into memes, compilations, and dramatic edits. It stays popular because even short snippets immediately communicate pressure, much like a smoke detector beep does in non-gaming comedy edits.