Something

using System;
using System.Collections.Generic;
using System.Text;

class GuessingGame
{
    public static void Main()
    {
        System.Random randomnumb = new System.Random();
        int randomnumb2 = randomnumb.Next(0, 100);
        int guessednumber;
        int guessesleft = 10;

        Console.WriteLine("Guess The Number");
        guessednumber = Int32.Parse(Console.ReadLine());
        Console.WriteLine("Guessed Number = {0}", guessednumber);

        if (guessednumber == randomnumb2)
        {
            Console.WriteLine("Correct, try again");
            guessesleft = 10;
            randomnumb2 = randomnumb.Next(0, 100); ;
        }
        else
        if (guessednumber < randomnumb2)
        {
            Console.WriteLine("Higher");
            guessesleft -= 1;
        }
        else
        if (guessednumber > randomnumb2)
        {
            Console.WriteLine("Lower");
            guessesleft -= 1;
        }

        if (guessesleft < 1)
        {
            Console.WriteLine("Game Over, try again");
            guessesleft = 10;
            randomnumb2 = randomnumb.Next(0, 100); ;
        }
    }
}