The app is an online bingo game that follows classical Russian rules. Players receive three cards with numbers from 1 to 90, and the first player to close one of their cards wins.
Play by arranging a shuffled 52- deck into seven piles. Move cards between piles to build sequences in descending order, alternating colors. Move cards to foundation piles by suit from Ace to King. Reveal cards by clicking on downturned piles.
Play as an Army commander to place towers and barriers against enemy forces. Choose from 5 areas and 3 play modes. Adjust difficulty by changing enemy speed and screen size. Unlock 5 additional areas with a full version purchase.
