CODE EXAMPLE FOR CSHARP

Diplay player final score in new scene in unity

public class EndMenu: MonoBehaviour 
{

    public Text scoreText;
    public Transform player;
    public static bool GameEnds = false;
    public GameObject endMenuUI;

    void OnCollisionEnter2D(Collision2D exampleCol) 
    {
        if(exampleCol.collider.tag == "Obstacle")
        {
            endMenuUI.SetActive(true);
            Time.timeScale = 0.0001f;
            GameEnds = true;
        }
    }

    public void Retry()
    {
        SceneManager.LoadScene(SceneManager.GetActiveScene().buildIndex - 1);
    }

    public void BackToMenu()
    {
        SceneManager.LoadScene("Menu");
    }

    public void Quit()
    {
        Debug.Log("Quitting game...");
        Application.Quit();
    }

    // Update is called once per frame
    void Update()
    {
        scoreText.text = PlayerPrefs.GetInt("Score",0);
    }
}