The Gaster Blaster comes from Undertale, the 2015 role-playing game created by Toby Fox. In the game the weapon is linked to W. D. Gaster and is most famously used by Sans during his boss fight, where floating skulls fire beams at the player. Clips of that fight spread widely through YouTube, fan games and Undertale animations, turning the firing noise into a shorthand for an overwhelming attack. It remains popular in edits because it is short, recognisable, and tied to one of the game's most talked-about battles.
About this sound
The Gaster Blaster firing sound effect from Undertale, the charging laser blast used by W. D. Gaster's skull weapon in memes, edits and boss fight videos.
This is the sharp charging and firing blast of the Gaster Blaster, the floating skull cannon from Undertale. It starts with a quick rising charge, then releases a loud, crackling laser beam that feels powerful and slightly eerie. The sound is short but intense, cutting through music and dialogue with a bright, digital edge. At just over two seconds it lands like a final attack, making a moment feel dangerous, dramatic, or comically overpowered. Fans instantly recognise the tone from Sans fights and fan animations, even without seeing the skull itself.