SOLVED: Where is Unity’s PlayerPrefs stored on Windows?

Here’s how to locate and delete any stored PlayerPrefs in Unity:

1. Open regedit by pressing the Windows key and typing ‘regedit’, then pressing ENTER.
2. Browse to ‘HKEY_CURRENT_USER\SOFTWARE\Unity\UnityEditor\CompanyName\ProjectName’, where CompanyName and ProjectName are replaced with whatever set in your player settings. It’s DefaultCompany by default.
3. Select the entry you’d like to delete and press the DELETE key.