Hiscores

using UnityEngine;
using System.Collections;
using System.Collections.Generic;
public class Hiscores : MonoBehaviour
{
    Dictionary<int, float> times = new Dictionary<int, float>();

    private void Start()
    {
        for (int level = 1; ; level++)
        {
            string key = "Time" + level;
            if (!PlayerPrefs.HasKey(key))
                break;
            times[level] = PlayerPrefs.GetFloat(key);
        }
    }

    public void StoreTime(int level, float time)
    {
        if (times.ContainsKey(level))
        {
            if (time < times[level])
            {
                times[level] = time;
            }
            PlayerPrefs.SetFloat("Time" + level, time);
        } else
            {
            times[level] = time;
            }

    }

    public string GetTimes()
    {
        string timeString = "Best times:\n\n";
        foreach (KeyValuePair<int, float> kvp in times)
        {
            timeString += "Level" + kvp.Key + ":" + kvp.Value.ToString("#.#") + "\n";
        }
        return timeString;
    }
}