'Global' functionality

Yes, i know, Global is a dirty, dirty word in the world of programming.

But some functions (such as EventHandlers) have predefined inputs, and don’t allow for passing the object around. How am I supposed to manage things in these cases?

For example; I have defined a simple class (Game).

Scene1, Frame1, instantiates game:Game = new Game();
Inside Scene1 sits Symbol1 (MC).
Symbol1, Frame1, instances a Timer.
The Timer’s complete function tries to reference game, fails. Also fails if referencing parent.game.

How do i access this element?