PlayerScript.cs

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

public class PlayerScript : MonoBehaviour {

    Rigidbody2D rb;

    public float moveSpeed = 3f;
    public float jumpPower = 250f;

    Vector3 respawnLocation;
    public Vector3 teleportLocation = new Vector3(-9.5f, 3f, 0f);

    public int lives = 0;
    public int gold = 0;

    public Transform teleportTarget;

    public GameObject[] fakePlatforms;

    bool isGrounded;

    void Start() {
        rb = GetComponent<Rigidbody2D>();
    }

    void Update() {
        float moveX = Input.GetAxis("Horizontal");
        float moveY = Input.GetAxis("Vertical");

        if (moveX > 0) {
            transform.eulerAngles = new Vector3(transform.eulerAngles.x, 0, transform.eulerAngles.z);
        } else if (moveX < 0) {
            transform.eulerAngles = new Vector3(transform.eulerAngles.x, 180, transform.eulerAngles.z);
        }

        rb.velocity = new Vector2(moveX * moveSpeed, rb.velocity.y);

        if (isGrounded && moveY > 0) {
            rb.AddForce(Vector2.up * jumpPower);
            isGrounded = false;
        }
    }

    void OnTriggerEnter2D(Collider2D col) {
        if (col.gameObject.tag == "Saw" || col.gameObject.tag == "Fall") {
            lives++;
            Debug.Log("Lives: " + lives.ToString());
            transform.position = respawnLocation;

        } else if (col.gameObject.tag == "Gold") {
            Destroy(col.gameObject);
            gold++;
            Debug.Log("Gold: " + gold.ToString());

        } else if (col.gameObject.tag == "Next") {
            transform.position = teleportLocation;

        } else if (col.gameObject.tag == "Exit") {
            Debug.Log("You Win! Lives: " + lives.ToString());
            Destroy(gameObject);

        } else if (col.gameObject.tag == "Respawn") {
            respawnLocation = col.gameObject.transform.position;
            Destroy(col.gameObject);
        }
    }

    void OnCollisionEnter2D(Collision2D col) {
        if (col.gameObject.tag == "Ground") {
            isGrounded = true;
        } else if (col.gameObject.tag == "Platform") {
            isGrounded = true;
            transform.parent = col.gameObject.transform;
        } else if (col.gameObject.tag == "Button") {
            col.gameObject.transform.position = new Vector3(col.gameObject.transform.position.x, col.gameObject.transform.position.y - 0.2f, col.gameObject.transform.position.z);

            foreach (GameObject go in fakePlatforms)
                go.GetComponent<BoxCollider2D>().enabled = true;
        } else if (col.gameObject.tag == "Gravity") {
            col.gameObject.GetComponent<Rigidbody2D>().gravityScale = 1f;
        }
    }

    void OnCollisionExit2D(Collision2D col) {
        if (col.gameObject.tag == "Platform") {
            transform.parent = null;
        }
    }
}