     @eventCounters[e.type].push new Date()
     # relay the event upward
     @fire(e)
+    # call added callbacks
+    @eventHandlers[e.type].forEach (cb) -> cb()
+    return
   addObject: (obj) ->
     if obj not instanceof Game.Object
       throw new Game.Error(Game.Error.ErrorType.NOT_OBJECT)

  constructor: () ->
    @objects = {}
    @eventCounters = {}
    super
  onEvent: (e) ->
    # Add timestamped instance to the event counters object

    @objects[obj.getId()] = obj
    @listen(obj, @onEvent)
    # call object added method
    obj.added()
  addEventHandler: (evtType, callback) ->
    if evtType not of @eventHandlers
      @eventHandlers[evtType] = []
    if callback not in @eventHandlers[evtType]
      @eventHandlers[evtType].push callback
    return