We all know what a great productivity tool the SP is. I'm wondering about favorite apps people use for leisure. I've recently discovered Wordament. I can't believe how addicting it is considering that I don't even like word games like Scrabble etc. I think what makes it so compelling is the fact that you are competing on the same puzzle simultaneously with 100's of other players around the globe. I'm having trouble putting it down over the last week or so. I'm not anywhere near being one of the top dogs (pretty embarrassing actually) but the daily improvement is addictive. And I think it helps improve brain function. It's free and the ads are not invasive. What are your favorite leisure time apps?