Most Unity games using ES3 store their save files in: C:\Users\[YourName]\AppData\LocalLow\[DeveloperName]\[GameName]\
Tools like the alextusinean ES3 Editor allow players to upload their save file, edit it in a browser, and download the modified version. es3 save editor
If you are the developer of the game, Easy Save 3 comes with a built-in tool specifically designed for this purpose. Open your project in the . Most Unity games using ES3 store their save