Deck on 36 cards lays all things out in 3 layers (the back upwards).You open one upper card(by left click) and if you find like for her(8-8, D-D) amongst already opened, that remove this pair (by marking cards by right click). Purpose of play consists in removing all cards. The Possibilities: > external decks(see on site) > in any deck-3 variants of back > sound surround > possibility to minimize to tray(at occupations in uptime-useful) > 3 modes of the playing > some statistics Also You can download additional decks and russian version from my site.