GameManager

using UnityEngine;
using UnityEngine.SceneManagement;

public class GameManager : MonoBehaviour
{
    public static GameManager instance;

    private void Awake()
    {
        instance = this;
    }

    public int enemies = 0;
    public int enemiesDead = 0;
    public bool enemiesSpawned = false;

    private void Update()
    {
        if (enemiesSpawned)
        {
            if(enemiesDead == enemies)
            {
                Cursor.lockState = CursorLockMode.None;
                Cursor.visible = true;

                SceneManager.LoadScene("Win");
            }
        }
    }
}