This tutorial looks at adding a Finish Point to a level. Upon the Player Character arriving at the Finish Point, a level completion screen will appear. This can then be expanded by adding sound effects or making a more complex level completion screen.

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class FinishPointScript : MonoBehaviour
{

    public GameObject YouSurvivedImage;

    private void OnTriggerEnter2D(Collider2D other)
    {
        if (other.name == "Player")
        {
            YouSurvivedImage.SetActive(true);
        }
    }
}