BVS Solitaire Collection v5.4 Released/Demo

You can modify rules of almost any of the included games, thus creating your own solitaire variation
BVS Development Corporation announced the release of a new version of BVS Solitaire Collection which contains 390 multi-featured, very different solitaire card games to play. You'll be able to learn solitaires not found elsewhere: Topsy-Turvy Queens, Twelve Sleeping Maids, Steeplechase, Braid and many others. It also includes all of the most popular solitaire card games such as Spider, Klondike, Freecell, Carpet, Forty Thieves, Monte Carlo, Russian Solitaire, Flower Garden, Golf, Cruel, Accordion, Pyramid. The game can be purchased from its official official website.