- files: ["force-field.ogg"]
  license: "CC0-1.0"
  copyright: "'Force Field' by humanoide9000, from freesound.org"
  source: "https://freesound.org/people/humanoide9000/sounds/422245/"

- files: ["monster-flange.ogg"]
  license: "CC0-1.0"
  copyright: "'Monster 185 flange.wav' by Curly123456, from freesound.org"
  source: "https://freesound.org/people/Curly123456/sounds/329333/"

- files: ["power-hum.ogg"]
  license: "CC-BY-3.0"
  copyright: "'Low_Futuristic_Drone.wav' by sonictechtonic, from freesound.org"
  source: "https://freesound.org/people/sonictechtonic/sounds/242214/"