The web site is a record of game plays.
Deciding what to play next is always a tough call when faced with a closet full of games, all of which were purchased with intent to play. Here's one I'm dealing with the decision.
There are surely many more ways to choose, but the above method keeps me busy enough, helps me get both breadth and depth into my play, and provides me with a sense of progress.
When there is an odd man out: