** gmdt.zip is the game files

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

namespace extrct
{
    class Program
    {
        static void Main(string[] args)
        {

            string startPath = @"C:\Program Files\**game-name**";
            string zipPath = @"C:\Program Files\**game-name**\gmdt.zip";
            string updateLocation2 = @"C:\Program Files\**game-name**\udt-loain";
            string extractPath = @"C:\Program Files\**game-name**";

            Console.WriteLine("Extracting..");

            System.IO.Compression.ZipFile.CreateFromDirectory(startPath, updateLocation2);
            System.IO.Compression.ZipFile.ExtractToDirectory(zipPath, extractPath);

            Console.WriteLine("Extracted!");

            //Deleting ZIP file after extraction
            try
            {
                if (File.Exists(zipPath))
                {
                    File.SetAttributes(zipPath, FileAttributes.Normal);
                    File.Delete(zipPath);
                }
            }
            catch (Exception o)
            {
                Console.WriteLine(o);
                Console.WriteLine("Failed");
            }
        }
    }
}