public void CheckGameEnd(GameObject destroyedEnemy)
    {
        for (int i = 0; i < enemies.Count; i++)
        {
            if (enemies[i].gameObject == destroyedEnemy)
            {
                GameObject newExplosion = Instantiate(explosion, destroyedEnemy.transform.position + new Vector3(0f, 0f, -3f), destroyedEnemy.transform.rotation);
                Destroy(newExplosion, 1f);
                enemies.RemoveAt(i);
                break;
            }
        }

        if (enemies.Count == 0)
        {
            _isGameEnded = true;
            menu.Finish();
        }
    }