FNATI, short for Five Nights at Treasure Island, is a fan-made horror series inspired by Five Nights at Freddy's, reimagining cheerful cartoon mascots as unsettling night-shift threats. Its short, sharp sounds have circulated widely through gameplay videos, fan edits and soundboards, where players and creators reuse them outside the original games. This second instalment's clip endures because it is instantly recognisable to horror fans, easy to drop into a short video, and tense enough to work even for viewers who have never played the game.