public void Tick()
        {
            Console.Write("\n  Input Zombie type integer:  ");
            var accessoryType = Console.ReadLine();

            if (accessoryType == "q")
            {
                Stop();
                return;
            }

            if (accessoryType != "1" && accessoryType != "2" && accessoryType != "3" && accessoryType != "4")
            {
                Console.WriteLine(" [!] - INVALID INPUT. Input an integer between 1-4 or 'q' to stop adding zombies.");
                return;
            }
            gameObjectManager.AddZombie(AccessoryFactory.CreateZombie(accessoryType));
            gameObjectManager.PrintZombies();
        }