Torrey Clark writes "MyMacGames is preparing to launch a new 'games on demand' service for Mac users ($8-20 per month) in the third quarter of 2007 that will feature roughly 100 games at launch. They are currently offering a free beta."
I've never been canoeing before, but I imagine there must be just a few
simple heuristics you have to remember...
Yes, don't fall out, and don't hit rocks.