You may remember from the beginning of the chapter that Unity's storage method isn't the only one that you can use to save data. OUYA features its own storage API that can be used to save data with keys just like Unity, but the purpose is slightly different.

Unity's saving mechanism is great because it handles storage and organization of the files all on its own and can be easily accessed using keys. However, if you were to uninstall the game from OUYA or your computer, the saves would no longer be present as they're tied to the project files.

OUYA's storage API, on the other hand, makes sure that the data remains in place even if the game is uninstalled. That way, if a player uninstalls a game that they've made progress on but then reinstall it later, their game will load the OUYA API's saved data from the original installation.

So why not just use OUYA's storage API all the time? For one, it can only store values as strings. You could theoretically save any aspect...