SaveData Serialization to Unity Filesystem

example.cs

public class Something
{
        SaveData saveData;

        void Save()
        {
            BinaryFormatter bf = new BinaryFormatter();
            FileStream file = File.Create(FileLocation());
            bf.Serialize(file, saveData);
            file.Close();
        }

        public void Load()
        {
            if (File.Exists(FileLocation()))
            {
                BinaryFormatter bf = new BinaryFormatter();
                FileStream file = File.Open(FileLocation(), FileMode.Open);
                saveData = (SaveData) bf.Deserialize(file);
                file.Close();
            }
            else
            {
                saveData = new SaveData();
            }
        }

        string FileLocation()
        {
            return Application.persistentDataPath + "/save_data.gd";
        }

}


[Serializable]
public class SaveData
{

    public bool soundMuted;
    public bool musicMuted;
    public bool vibration;
    public int score;
    public string language;
    public int[] maxUnlocked;

    public SaveData()
    {
        soundMuted = false;
        musicMuted = false;
        vibration = true;
        SetBlankProgress();
    }

    public void SetLanguage(string newLanguage)
    {
        language = newLanguage;
    }

    public void SetBlankProgress()
    {
        score = 0;
        maxUnlocked = new int[]
        {
            0,
            -1,
            -1,
            -1,
            -1,
            -1,
            -1,
            -1,
            -1,
            -1,
            -1,
            -1,
            -1,
        };
    }

}