On Windows, PlayerPrefs are stored in the registry under HKCU\Software\[company name]\[product name] key, where company and product names are the names set up in Project Settings. On Linux, PlayerPrefs can be found in ~/.

This feature is ideal for saving simple data such as the player's high scores, game settings and other non-critical user preferences. It works by storing data in a key-value pair, making data retrieval straightforward. The simplicity of PlayerPrefs makes it a go-to choice for many developers.

`PlayerPrefs` is a class that stores Player preferences between game sessions. It can store string, float and integer values into the user's platform registry. Unity stores `PlayerPrefs` data differently based on which operating system the application runs on.