MyGame.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using Demo;
using EndGate.Server;
using Microsoft.AspNet.SignalR;

namespace DryRunDemo
{
    public class MyGame : Game
    {
        public UserManager<Player> UserManager = new UserManager<Player>();

        public override void Update(GameTime gameTime)
        {
            foreach(var user in UserManager.Users)
            {
                user.Update(gameTime);
            }
        }

        public override void Push()
        {
            GlobalHost.ConnectionManager.GetHubContext<GameHub>().Clients.All.update(UserManager.Users);
        }
    }
}