C#

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

namespace ConsoleApplication3
{
    class Initiation   //Pre-game stuff - Character name, class and game difficulty
    {
        static void characterCreation()
        {
            Console.WriteLine("Please enter your name: ");
            string name = Console.ReadLine();
            Console.WriteLine("\nWelcome " + name + "!");
            Console.WriteLine("Please select a class:\n1. Warrior - Bonus damage with melee weapons, average health.\n2. Ranger - Reduced health, bonus damage with ranged weapons.\n3. Paladin - Low damage, bonus to health and armor.");
            int cclass = Convert.ToInt32(Console.ReadLine());
            switch (cclass)
            {
                case 1:
                    Console.WriteLine("You have chosen to be a Warrior, " + name + "!");
                    break;

                case 2:
                    Console.WriteLine("You have chosen to be a Ranger, " + name + "!");
                    break;

                case 3:
                    Console.WriteLine("You have chosen to be a Paladin, " + name + "!");
                    break;

                default:
                    Console.WriteLine("Incorrect entry, please enter 1, 2 or 3!");
                    break;
            }
            Initiation.difficultyMenu();
        }

        static void difficultyMenu()
        {
            Console.WriteLine("Please select a difficulty:\n1. Easy\n2. Medium\n3. Hard");
            int diff = Convert.ToInt32(Console.ReadLine());
            switch (diff)
            {
                case 1:
                    Console.WriteLine("You have selected easy difficulty!");
                    break;

                case 2:
                    Console.WriteLine("You have selected medium difficulty!");
                    break;

                case 3:
                    Console.WriteLine("You have selected hard difficulty!");
                    break;

                default:
                    Console.WriteLine("Incorrect entry! Please enter either 1, 2 or 3!");
                    break;
            }
        }




        static void Main(string[] args)
        {
            Console.WriteLine("Main Menu");
            Console.WriteLine("1. Play Game");
            Console.WriteLine("2. Exit");

            int choice = Convert.ToInt32(Console.ReadLine());
            switch (choice)
            {
                case 1:
                    characterCreation();
                    break;

                case 3:
                    Environment.Exit(0);
                    break;

                default:
                    Console.WriteLine("Incorrect entry, please enter 1 or 2!");
                    break;

            }
            Console.ReadLine();


        }
    }

    class Game //Actual game
    {
        static void gameStart()
        {


        }
    }
}