Making a Simple Game / jumps to level 3 at start / timer doe

using UnityEngine;
using System.Collections;

public class GameManager : MonoBehaviour {


	//Count
	public int currentScore;
	public int highScore;
	public int tokenCount;
	private int totalTokenCount;
	public int currentLevel = 0;
	public int unlockedLevel;

	//Timer variables
	public Rect timerRect;
	public Color warningColorTimer;
	public Color defaultColorTimer;
	public float startTime;
	private string currentTime;

	// GHI Skin
	public GUISkin skin;

	// References
	public GameObject tokenParent;

	private bool completed = false;
	private bool showWinScreen = false;
	public int winScreenWidth, winScreenHeight;

	void Reset()
	{
		completed = false;
		showWinScreen = false;
		currentLevel = 0;
	}

	void Update()
	{
		if (!completed)
		{
			startTime -= Time.deltaTime;
			currentTime = string.Format("(0:0.0)",startTime);
			if (startTime <= 0)
			{
				startTime = 0;
				//Application.LoadLevel("MainMenu");
			}
		}
	}


	void Start()
	{
		totalTokenCount = tokenParent.transform.childCount;

		if (PlayerPrefs.GetInt ("Level Complete") > 0)
		{
			currentLevel = PlayerPrefs.GetInt ("Level Complete");
		}
		else
		{
			currentLevel = 0;
		}
		//DontDestroyOnLoad(gameObject);
		print ("you are on " + currentLevel);
	}


	public void CompleteLevel()
	{
		showWinScreen = true;
		completed = true;
	}


	void LoadNextLevel()
	{
		Time.timeScale = 1f;
		if (currentLevel < 2)
		{
			currentLevel += 1;
			print (currentLevel);
			SaveGame();
			Application.LoadLevel(currentLevel);
		}
		else
		{
			print ("You won the game");
		}
	}


	void SaveGame()
	{
		PlayerPrefs.SetInt("Level Completed", currentLevel);
		PlayerPrefs.SetInt("Level " + currentLevel.ToString() + "score", currentScore);

	}

	void OnGUI()
	{
		GUI.skin = skin;
		if (startTime < 5f)
		{
			skin.GetStyle ("Timer").normal.textColor = warningColorTimer;
		}
		else
		{
			skin.GetStyle ("Timer").normal.textColor  = defaultColorTimer;
		}

		GUI.Label (timerRect, currentTime, skin.GetStyle ("Timer"));
		GUI.Label (new Rect(45, 100, 200, 200), tokenCount.ToString() + "/" + totalTokenCount.ToString());

		if (showWinScreen)
		{
			Rect winScreenRect = new Rect(Screen.width/2 - (Screen.width * .5f/2), Screen.height/2 -(Screen.height * .5f/2), Screen.width * .5f, Screen.height * .5f);
			GUI.Box(winScreenRect, "Yeah");

			int gameTime = (int)startTime;
			currentScore = tokenCount * gameTime;
			if (GUI.Button(new Rect(winScreenRect.x + winScreenRect.width - 170, winScreenRect.y + winScreenRect.height - 60, 150,40), "Continue"))
			{
				LoadNextLevel();

			}

			if (GUI.Button(new Rect(winScreenRect.x + 20, winScreenRect.y + winScreenRect.height - 60, 100,40), "Quit"))
			{
				Application.LoadLevel("MainMenu");
				Time.timeScale = 1f;

			}

			GUI.Label(new Rect(winScreenRect.x + 20, winScreenRect.y + 40, 300, 50), currentScore.ToString() + " Score");
			GUI.Label(new Rect(winScreenRect.x + 20, winScreenRect.y + 70, 300, 50), "Completed Level " + currentLevel);
		}
	}
}