Load your own sounds, pick one for body shots and one for headshots, tune volume and pitch, then download a ready addon pak. You only hear hits you deal; getting hit stays quiet.
.zip holding your .vpk. Unzip it into Deadlock\game\citadel\addons.pakNN number.Sounds are converted to mono 44.1 kHz MP3 inside the game's own sound files at the stock hit-indicator paths. Everything runs in your browser; nothing is uploaded.