If you are a solitaire fan, you will fall in love with this game. 21 Solitaire is a collection of 7 solitaire card games Blackjack based. You have to make Blackjack hands, which sums 21 in value. These games blend, in an amazing way, solitaire with Blackjack. You can follow your statistics for each game like number of games played, average score, and your ten best scores for each game and so on. Hands can be selected at random or by number. The game has all kinds of features you may ask for: multimedia sound effects, a comprehensive context-sensitive help system, two card sizes, a customizable toolbar with pop-up hints among others. Downloads are safe and contains only the games provided by developer, so you have no spyware at all. The main problem is you have to pay to download the 30 day trial version. But company assures you that if the games don't like you, they return your money back. I can't test that feature, but this company seems to be quite righteous, and they take user experiences very seriously.