SingletonNoMore

using System;

namespace SingletonNoMore
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("{0} speed : {1}", "Singleton", Singleton.speed);
            Console.WriteLine("{0} speed : {1}", "Multiton", Multiton.Current.speed);
            Console.WriteLine("{0} speed : {1}", "Mergeton option 1", Mergeton.Current.speed);
            Console.WriteLine("{0} speed : {1}", "Mergeton option 2", Mergeton.speed);
            Console.ReadLine();
        }
    }

    public static class Singleton
    {
        public static float speed = 1;
    }

    public static class Multiton
    {
        //C&P'ed the Singleton instance... without 'static'.
        public class Instance { public float speed;};
        public static Instance Current = new Instance { speed = 1 };
        public static Instance Default = new Instance { speed = 0 };
    }

    public static class Mergeton
    {
        //C&P'ed the Singleton instance... without 'static'.
        public class Instance { public float speed;};
        public static Instance Current = new Instance { speed = 1 };
        public static Instance Default = new Instance { speed = 0 };

        //Magic!
        public static float speed { get { return Current.speed; } }
    }
}