Обращение к переменной одновременно из нескольких скриптов

public class game{
public int score := 0;
 
}

public class tes1t{
public int scoreTest1;
scoreTest1 = GetComponent<game>().score;
}

public class tes2t{
public int scoreTest2;
scoreTest2 = GetComponent<game>().score;
}

[Serializable]
public class RefValue<T> {
 public T value;
}
 
public RefValue<int> score;
///
score.value = 5;

public class scoreScript : MonoBehaviour
{
    public RefValue<int> score;
    public Text text;
    
    // Start is called before the first frame update
    void Start()
    {
        
        score.value = 5;
    }
 
    // Update is called once per frame
    void Update()
    {
        text.text = score.ToString();
    }
}
public class RefValue<T>
{
    public T value;
}

text.text = score.value.ToString();

 score.value = 5;

score = new RefValue<int>();

public static class ForScore
{
public static int score;
}