Fixed Tech-Helper503's Sourcecode

Program.cs

using System;

namespace guessing_game
{
    class Program
    {
        public static void Main(string[] args)
        {
            //Initialization
            //Console.WindowWidth = 1280;//no one cares about the size especially in such a simple beginner game
            //Console.WindowHeight = 720;
            Random ranNumGen = new Random();

            //Rules
            Console.WriteLine("I am going to choose a random number:");
            Console.WriteLine("\tAnd you'll have to guess it.");
            Console.WriteLine("\tYou have 3 attempts:");
            Console.WriteLine("\t\tsAnd If you lose all attempts,");
            Console.WriteLine("You will lose...");
            Console.WriteLine("If not,You wil win!");

            //Instanciancing the game
            int randomNum = ranNumGen.GetHashCode();//why? literaly no reason to do this use "Random" class instead, it even gives you control on the range!
            int attemps = 0;

            //Starting the game 
            Console.WriteLine("Starting the game....");
            Console.WriteLine("I have made a choice ");

            int code = 0;//needs to be declared fairly early

        rewindepoint:

            Console.WriteLine("Here it is:" + randomNum);// don't put out the number! That's the whole point of the game.
            Console.WriteLine("Ready");

            string ready = Console.ReadLine();




            while (attemps < 2)//not <=3 you will get 4 attempts like this
            {
                Console.WriteLine("Whats the code?");
                Int32.TryParse(Console.ReadLine(), out code);// will catch all invalid entries and prevent crash

                if (code != randomNum)
                {
                    Console.WriteLine("Wrong.Try again");
                    attemps++;
                }
                else if (code == randomNum)
                {
                    Console.WriteLine("Correct.The code is:" + code + ".Thanks for  playing");//formating was a little messy replaced Write with Writeline
                    Console.WriteLine("Play again to see the rewind part by getting all three attemps wrong");
                    Console.ReadLine();//just so it doesn't imidiatly closes
                    return;
                }
            }


            if (code != randomNum)
            {
                //Wait for a key
                var key = Console.ReadKey();

                //Prints out the key then rewinds
                Console.WriteLine("\nYou pressed the " + key + " key");//added \n for formating
                Console.WriteLine("Rewinding...");
                //Console.WriteLine("Here it is:" + randomNum);
                attemps = 0;//needs to be reset
                goto rewindepoint;// because I can't be bothered to actually think of a good loop, don't do this at home kids it's bad style.
            }

        }
    }
}