Deltarune is an indie role-playing game created by Toby Fox, first released in 2018, and its music and interface sounds quickly became part of online fan edits. Short clips labeled as a Deltarune ringtone are commonly shared as phone alerts, stream notifications, and punchy inserts in gaming memes. The appeal comes from how fast the sound signals the game's style without needing a full soundtrack excerpt. It remains popular because Deltarune has an active fanbase and a very recognizable audio identity.