<?xml version="1.0" encoding="utf-8"?>
<configuration>
    <configSections>
        <section name="monorail" type="Castle.MonoRail.Framework.Configuration.MonoRailSectionHandler, Castle.MonoRail.Framework" />
    </configSections>
    <!-- 
        For more on MonoRail configuration see 
        http://www.castleproject.org/monorail/documentation/v1rc3/index.html
    -->
    <monorail smtpHost="yoursmtphost" useWindsorIntegration="false">
        <controllers>
            <assembly>ExPortal</assembly>
      <assembly>ControlOther</assembly>
        </controllers>
        <viewEngines viewPathRoot="Views">
            <add xhtml="false" type="Castle.MonoRail.Framework.Views.NVelocity.NVelocityViewEngine, Castle.MonoRail.Framework.Views.NVelocity" />
        </viewEngines>
    </monorail>
    <system.web>
        <httpHandlers>
            <add verb="*" path="*.castle" type="Castle.MonoRail.Framework.MonoRailHttpHandlerFactory, Castle.MonoRail.Framework" />
            <!-- block direct user access to template files -->
            <add verb="*" path="*.vm" type="System.Web.HttpForbiddenHandler" />
            <add verb="*" path="*.njs" type="System.Web.HttpForbiddenHandler" />
            <add verb="*" path="*.brail" type="System.Web.HttpForbiddenHandler" />
            <add verb="*" path="*.brailjs" type="System.Web.HttpForbiddenHandler" />
            <add verb="*" path="*.st" type="System.Web.HttpForbiddenHandler" />
        </httpHandlers>
        <httpModules>
            <add name="monorail" type="Castle.MonoRail.Framework.EngineContextModule, Castle.MonoRail.Framework" />
        </httpModules>
    </system.web>
</configuration>

using System;
using System.Collections.Generic;
using System.Text;
using Castle.MonoRail.Framework;
namespace ControlOther
{
    public class GameController:Controller
    {
        public void index()
        {
            PropertyBag["name"] = "Awen";
        }
    }
}

ControllersConfig con = MonoRailConfiguration.GetConfig().ControllersConfig;
con.Assemblies = new string[] { "ExPortal", "ControlOther" };