Multi-threaded download utility (for downloading all versions of an uncopylocked game)

Program.cs

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace Multithreaded_game_downloader
{
    class Program
    {
        static int NextJob = 1;
        static string GameId;

        static void Main(string[] args)
        {
            Console.Title = "Multithreaded game downloader";
            Console.WriteLine("Enter ID of place:");
            GameId = Console.ReadLine();

            for (int i = 0; i < 10; i++)
            {
                Thread thread = new Thread(() => assetworker(i));
                thread.IsBackground = true;
                thread.Start();
            }

            while (true) { }
        }

        static void assetworker(int ThreadID)
        {
            Console.WriteLine($"[Thread {ThreadID.ToString()}] Has Started!");
            WebClient client = new WebClient();
            if (!Directory.Exists(GameId)) Directory.CreateDirectory(GameId);
            int Job =  NextJob++;
            back:
            try
            {
                while (true)
                {
                    Console.WriteLine($"[Thread {ThreadID.ToString()}] Download started for {Job.ToString()}");
                    client.DownloadFile($"https://assetdelivery.roblox.com/v1/asset?id={GameId}&version={Job.ToString()}", $"{GameId}\\{Job.ToString()}.rbxl");
                    Console.WriteLine($"[Thread {ThreadID.ToString()}] Download completed for {Job.ToString()}");
                    Job = NextJob++;
                }
            }
            catch (WebException e)
            {
                switch (e.Status)
                {
                    case (WebExceptionStatus)404:
                        return; //Kill Thread
                    case (WebExceptionStatus)403:
                        Job = NextJob++;
                        goto back;
                    default:
                        Console.WriteLine($"[Thread {ThreadID.ToString()}] Failed to fetch ID {GameId} with version {Job.ToString()} Error Code: {e.Status.ToString()}, Retrying...");
                        goto back;
                }
            }
        }
    }
}