scripts, how long can you last

using UnityEngine;
using System.Collections;

public class GameHandler : MonoBehaviour {

    public float x = 0;
    public float y = 0;
    public float x1 = 10;
    public float y1 = 10;

    public Transform spawnPoint;
    public GameObject playerToSpawn;
    private GameObject playerClone;


    public Transform cartSpawn;
    public GameObject cartPrefab;
    private GameObject cartClone;


    public bool gameStarted = false;
    public SmoothFollow _smFollow;

    public string introPar = "";

    public bool hookedOn = false;
    public float timeBeforeHooking = 20;
    public float defaultTimeBefHooking = 0;

    private float failTimer = 3;

    public bool gameFail = false;
    public bool gameEnded = false;
    public bool pauseGame = false;

    public float mainTimer = 0;

    private string word1 = "You lasted about: ";
    private string word2 = "Fail, Not even in the Carthole. \n Put your junk in that cart";
    public int wordCode = 0;



    //this is to make game handler a main instance so i can retrieve info out of it
    private static GameHandler instance;
    public static GameHandler Instance()
    {
        return instance;
    }

    void Start()
    {
        instance = this;
        defaultTimeBefHooking = timeBeforeHooking;
    }


    void Update()
    {
        if(gameStarted)
        {

            //game started but now we check if we hooked on or not
            if(!hookedOn)
            {
                timeBeforeHooking -= Time.deltaTime;


                if(timeBeforeHooking <= 0)
                {
                    wordCode = 2;
                    pauseGame = true;
                    gameFail = true;
                }
            }
            else
            {

                mainTimer += Time.deltaTime;
            }


            if(gameEnded)
            {
                wordCode = 1;
                pauseGame = true;
            }




        }



        if(pauseGame)
        {
            Time.timeScale = 0;
        }
        else
        {
            Time.timeScale = 1;
        }



        if(playerClone)
        {
            _smFollow.target = GameObject.FindWithTag("Player").transform;
        }
    }


    void OnGUI()
    {
        Matrix4x4 oldMatrix;
        Matrix4x4 tMatrix;

        int width = 1024;
        int height = 768;

        oldMatrix = GUI.matrix; //store the current matrix

        //construct matrix to scale to actual view size
        tMatrix = Matrix4x4.TRS(Vector3.zero,Quaternion.identity, new Vector3(1.0f * Screen.width/width,1.0f * Screen.height/height, 1.0f));

        GUI.matrix = tMatrix; //set the gui matrix to the scaling matrix


        //draw gui here
        if(!gameStarted)
        {
            GUI.Window(0,new Rect(350,180,350,350),IntroWindow,"");
        }



        if(!hookedOn && !gameFail)
        {
            GUI.Label(new Rect(470,230,200,20),"Time Left: " + timeBeforeHooking.ToString("F1"));
        }

        if(gameFail)
        {
            GUI.Label(new Rect(470,230,200,60),word2 );



            //show a button to restart
            if(GUI.Button(new Rect(430,260,200,40),"Restart"))
            {
                hookedOn = false;
                timeBeforeHooking = defaultTimeBefHooking;

                wordCode = 0;
                Destroy(cartClone);
                Destroy(playerClone);
                gameStarted = false;
                pauseGame = false;
                gameEnded = false;
                gameFail = false;

            }
        }

        if(gameEnded)
        {

            GUI.Label(new Rect(470,230,200,20),word1 + mainTimer.ToString("F1") );



            //show a button to restart
            if(GUI.Button(new Rect(430,260,200,40),"Restart"))
            {
                hookedOn = false;
                timeBeforeHooking = defaultTimeBefHooking;

                wordCode = 0;
                Destroy(cartClone);
                Destroy(playerClone);
                gameStarted = false;
                pauseGame = false;
                gameEnded = false;

            }



        }






        GUI.matrix = oldMatrix; //set original back
    }



    private void IntroWindow(int id)
    {
        GUI.Label(new Rect(100,20,200,20),"How Long Can You Last?");
        introPar = GUI.TextArea(new Rect(20,45,315,155),introPar,200);


        if(GUI.Button(new Rect(70,230,200,40),"Start Game"))
        {
            if(!playerClone)
            {
                //setup player
                playerClone = Instantiate(playerToSpawn,spawnPoint.position,Quaternion.identity) as GameObject;

                //setup cart
                cartClone = Instantiate(cartPrefab,cartSpawn.position,Quaternion.identity) as GameObject;

                gameStarted = true;

            }

        }

    }

}

*******************************************************************************************************


using UnityEngine;
using System.Collections;

public class WankSensor : MonoBehaviour {

    //if we connected with the ding dong then we are hooked
//  void OnTriggerEnter(Collider other)
//  {
//      if(other.collider.CompareTag("Wanker"))
//      {
//          GameHandler.Instance().hookedOn = true;
//          Debug.Log("hooked on");
//      }
//  }

    //if we stay we score
    void OnTriggerEnter(Collider other)
    {
        if(other.collider.CompareTag("Wanker"))
        {
            GameHandler.Instance().hookedOn = true;
            //Debug.Log("hooked on");
        }
    }



    //if we stay we score
    void OnTriggerStay(Collider other)
    {
        if(other.collider.CompareTag("Wanker"))
        {
            GameHandler.Instance().hookedOn = true;
            //Debug.Log("hooked on");
        }
    }



    //if we exit we failed
    void OnTriggerExit(Collider other)
    {
        if(other.collider.CompareTag("Wanker"))
        {
            GameHandler.Instance().gameEnded = true;
            //Debug.Log("we lost");
        }
    }




}



********************************************************************************************


using UnityEngine;
using System.Collections;

public class SimpleCar : MonoBehaviour {

    public float moveSpeed = 60;


    // Update is called once per frame
    void FixedUpdate ()
    {
        float h = Input.GetAxis("Horizontal");
        rigidbody.AddRelativeForce(Vector3.forward * moveSpeed * h,ForceMode.Impulse);

    }
}