Steins;Gate ringtones for the LethalPhones mod
Clone the repository and follow these instructions using the provided files in the cloned repository https://github.com/CassCoffey/LethalPhones/wiki/Making-Your-Own-Customizations#exporting-your-customizations
Scoops/CassCoffey for her amazing LethalPhones mod https://thunderstore.io/c/lethal-company/p/Scoops/LethalPhones/ The Steins;Gate team for their game OST