Not bad, but has issues.

I mostly play Klondike and I have noticed that it almost always deals a pair or better. I used to play solitaire with cards and I have played other computer solitaire games and with the almost constant pairs or better, it starts to seem decidedly unrealistic. I spoke with the developer about this and they stated that randomness dictates that 43% of the time we can expect pairs when dealing a hand of solitaire, I was getting a 99.9% rate of pairs, when I pointed that fact out to the developer, they just stopped communicating with me altogether. Strangely when I tried the poker game I almost never got any pairs whatsoever. So I would say it needs improving.

Shooter cooter about Card Shark Solitaire, v7.0