@package "App", ->
    @package "Game", ->
        class @Main
            constructor : (@val) ->
            toString : -> '[object Main]'

        class @Map
            toString : -> '[object Map]'

    class @Test
        toString : -> '[object Test]'

    Sandbox = @module ->
        private = 10
        @fire = ( event ) =>
            # ...

App.Sandbox.fire('load')

new App.Game.Main( 10 )
new App.Game.Map

App.Test::fire = ( ev ) ->
    App.Sandbox.fire( ev )

wth App.Sandbox, ->
    value = 42
    @toString = ->
        value