Project Terror 2.0 is a fan made horror experience inspired by Piggy, and the Lost Sister is one of its attacker characters shared through skin idea collections and remake compilations. Her attack clip circulated among fans who document custom skins and jumpscares, especially around Halloween when horror sounds are heavily reused. Rather than fading with a single video, it stayed in rotation as a short, recognisable scare cue that Piggy and Roblox horror fans can place instantly, even without seeing the character on screen.