All sounds are liecesed under [CC0](https://creativecommons.org/publicdomain/zero/1.0/) when was downloaded.

Click - https://freesound.org/people/ccr_fs/sounds/484719/
ElectricTransform - https://freesound.org/people/ShahruhAudio/sounds/336881/
ElectricZap - https://freesound.org/people/egomassive/sounds/536741/
ServerFans - https://freesound.org/people/Nox_Sound/sounds/465613/