Various complexity levels, based on algorithms of Preferans guru Dmitriy Lesnoy and other Marriage authors, provide fascinating game for amateurs and professional players.
Preferans is the most popular Eastern European card game, where winning depends more on player’s acquirements than on his luck.

The game contains:
1) Six complexity levels. None of them (except Cheater) cheats: good gameplay is achieved only by thorough calculations;
2) Three most popular conventions (Leningrad, Sochi, Rostov) with ability to customize other Preferans conventions;
3) Journey with popular characters;
4) Tweaking UI (timeouts, animations, suit and card orders) and gameplay, in-app language selection;
5) User offers, discard returning, deal customization.