OK, managed to get it building. I have no way of testing it, so let me know if it works!
It's definitely possible. Unfortunately, as I've upgraded Unity since the last release, I can't get it to build at the moment. I'll have to have a look when I get time and see if I can do a Mac build.
Glad you enjoyed it. And yeah, sometimes simple works well :)
Not planning on any new features right now, but rally points are a good idea.