This is pretty cool. Costs 5 Bucks, but it links to your iTunes or media player, and counts your minutes for you while you play. Plus it changes the song every minute as a cue to drink, incase you stop watching the clock. It also has an option to put in the amount of time (in minutes) that you want to play incase you want to do something different than 60 or 100 minutes. Check it out Here!

Here are the rules to playing Century Club and Power Hour.